Bestgo battery

Bestgo battery DEFAULT

Global E-Bike Battery Packs Market by Type (Lead-Acid, Lithium Ion), By Application (24V E-Bike, 36V E-Bike, 48V E-Bike, Others) And By Region (North America, Latin America, Europe, Asia Pacific and Middle East & Africa), Forecast To 2028

Global E-Bike Battery Packs Market by Type (Lead-Acid, Lithium Ion), By Application (24V E-Bike, 36V E-Bike, 48V E-Bike, Others) And By Region (North America, Latin America, Europe, Asia Pacific and Middle East & Africa), Forecast To 2028

Report ID: 2137524200Energy & PowerDataintelo147 Pages4.6(30)

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Bestgo Battery Co., Ltd. is an advanced lithium ion battery company which specialized in electric vehicle level Lithium Ion Phosphate based (LiFePO4) batteries and Lithium Nickel Cobalt Manganese Oxide based (Li-NCM) batteries. We are dedicated to offer high power and energy density, long lifespan and ultra safe battery products. Bestgo can offer complete solutions for the li-ion cells, battery modules and finished battery packs. With talent technologies, our batteries have amazing consistency and high reliable performance even after years using. We are dedicated to make the best products for customer.



In the past nine years (data checked in 2020), Bestgo focused on the lithium ion batteries used in electric vehicles, marine, industries, solar panel and energy storage applications, we have built hundreds projects for customers from worldwide. We keep a closing watching on battery materials developments, adopting the most "up-to-date" technologies, well manage the materials supply chain to offer the best quality products with good cost, and offer the fast response and high professional service to customer.

When LiFePO4 emerged as new alternatives materials for Lithium ion batteries in 2001, China national research institute began to take researches on those materials for lithium ion battery improvement. After a period of time, Chinese government began to offer support to new energy industry, research institutes also make joint researches with battery enterprises like BYD, BAK etc. The predecessor of Bestgo Battery is a core technical team from China national research institute, which have over 16 years' experience on li-ion batteries, 12 years joint research experience on LiFePO4 batteries (data checked in 2020). After years of independent researches on battery materials, the break though technologies have been developed then Bestgo Battery have been founded, company resisted in Hongkong and run factory in Changzhou city, southeast of China, total covers 20,000 square meters and about 200 workers. Bestgo batteries are featured as high power density and ultra-safe performance, due to the updated materials, manufacturing method and safety design.

Updated LiFePO4 materials

The original LiFePO4 materials have low electronic conductivity and consistency, how to improve the electronic conductivity became the core competitiveness of LiFePO4 batteries. Bestgo made fully considerations on those, the LiFePO4 materials used for our cells have been processed by metal-doping and carbon-coating way, they have premium electronic conductivity and safety assurance. With up-to-date technologies, our cells have adopted ceramic separators for a better safety reliability, have adopted silicon-carbon mixed anode to improve the cycle life. For our power type cells here are even carton nanotube inside to improve the electricity conductivities, so our batteries can offer a premium performance when discharged with high C-rating and still keep lower heat generating.

Advanced manufacturing technology

Not like traditional organic solvents manufacturing method, Bestgo have cells been made under the nano-level pure water dissolving manufacturing way, which makes benefits for a higher level of quality control, processing optimization and labor saving. This manufacturing method requires much more capital invests in production lines for the fully automatic machines and high precision control equipments. They are acting much better for the key manufacturing steps with full zone monitoring and realtime feedback.  Bestgo have cells been made in those manufacturing process, which can greatly enhance the consistency of cell performance, quality reliability for the longterm use, obtain a quite good production yield ratio and reach environmental friendly, to produce the most advanced vehicle level lithium ion batteries.

LiFePO4 battery is the safest battery available for lithium ion batteries. However, to enhance this safety, Bestgo makes many efforts in this area. We adopted the ceramic separators among anode and cathode in cells, used premium electrolyte for a better performance and safety level, used silicon-carbon mixed anode for a better charging capability for some power type cells. We designed the patent modules and softlink busbars to resist high vibration conditions, applied the thermal conductive designs in package structure, use totally sealed metal case for priority, which makes our batteries have high safety reliability when meet very hard conditions.

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Metal case LiFePO4 battery pack Model: BWP-FE51100-ATI-PF, 51.2V, 100Ah


Metal case LiFePO4 battery pack

Model: BWP-FE51100-ATI-PF, 51.2V, 100Ah

Bestgo Battery Co., Ltd. is dedicated to providing advanced lithium ion batteries which feature both high power and energy densities with a long lifespans and ultra-safe performance. The cells are made using some unique manufacturing technologies developed over the years. These completely automated unique battery construction processes allow Bestgo to build higher quality lithium batteries which have superior performance characteristics over older manufacturing techniques. Using those unique technologies makes it possible to produce cells that have amazing consistency. Every step of the cells construction is tested with automated high precision quality control equipment. With these cells building the standard battery modules, Bestgo is in a very good position to help create solutions for a variety of energy storage systems applications.

The specifications as shown in the chart below describes the performance and detailed technical requirements of the Li-ion batteries that are supplied by BESTGO BATTERY COMPANY LIMITED, the products mentioned in the specification in accordance with GB/T18333.1-2001 Standard.


Battery Model BWP-FE51100-ATI-PF -V1, V2, or -W1, -X1, means different versions Battery pack Description 51.2V 100Ah lithium ion battery pack Aluminum case, IP66, Indicator, with handles Battery Chemistry Lithium Iron Phosphate LiFePO4

BMS and Fuse PCB BMS and fuse are built inside case The fuse is 150A slow type. Battery pack Dimension

(L*W*H) and connector type

432*266*254 ± 1 mm (metal case size) 17*10.5*10 inch’s (metal case size)

Red and black terminals with M8 screw hole. Terminals have 18mm height above case. Battery pack Weight 40.5 ± 0.5 kg 89 ± 1 lbs.

Rated Capacity ≥ 100 Ah @ C/3, 23°C/73°F Measured as 2.5V cut off at cell level Operating Voltage 51.2 V (average) @ C/3, 23°C/73°F Working voltage range is 58.4 ~ 41.6 V Charging Voltage ≤ 58.4 V @ CC/CV charge mode Can be changed to 57.6V for longer cycle life Discharge cut off Voltage 40 ~ 41.6 V (When any cell volt reaches

2.5V may trigger this protection)

Set device (like a controller) low volt protection much higher to avoid trigger this protection.

Maximum Discharge Current

≤ 120 A @ 30min,23°C,30%≤ SOC ≤100% ≤ 260 A @ 15s, 23°C, 30%≤ SOC ≤100% ≤ 320 A @ 0.5s, 23°C, 30%≤ SOC ≤100%

Please consider heat accumulation if long time discharging with a large continuous current.

Maximum Charge Current ≤ 50 A @ 60min, 23°C, 20%≤ SOC ≤70% ≤ 100 A @ 5min, 23°C, 20%≤ SOC ≤70%

Please consider heat accumulation if long time charging with a large continuous current.


(60min means 60 minutes, 5min means 5 minutes, 15s means 15 seconds, 0.5s means 0.5 second.)

Inside the battery pack, the temperature sensors are attached to both the cells and the BMS. However, the temperature measurements are not very accurate. As a result, the BMS may trigger protections in a specific temperature range. When the battery packs undergo large continuous charging or discharging, please consider the heat accumulation in the battery pack, as it may trigger BMS protection if inside temperature became very hot. For more information, please contact us for the report of temperature raise with current passing test.

This model of battery packs belongs to Preferred series (PF series) that developed for universal applications. The battery chemistry is Lithium Iron Phosphate (LiFePO4), which is the safest chemistry among li-ion cells. Cells used in pack belongs to electric vehicle level cells (VDA cells), cells have passed the highest level of on road test in China, they have been massive used in high speed electric vehicles in China. Battery packs all have been equipped with aluminum cases for the best safety protection, they are light in weight, reliable in strength, with good heat transfer and a nice appearance.

Battery packs meet the IP66 enclosure requirements, so they can be used in many harsh conditions. The cells inside packs can provide superior performance but generate much less heat, along with passive-cooling design of cases, those allow us to build the packs without fan cooling. However, if batteries need to offer the continuous high-power input and output (such as charging from empty to full in 2 hours, or discharging from full to empty in 2 hours), and the surrounding temperature is high, please consider suitable air cooling or liquid cooling methods to keep the battery packs in a reasonable temperature range; this will allow the battery packs to work well and have a good battery life.

Battery Cycle Life ≥ 3000 times @ 80% DOD, ± C/3, 23°C After cycles can deliver ≥ 75% rated capacity Internal Resistance ≤ 40 ± 2 mΩ DCIR test method, @10s, 50% SOC

Temperature protection

For charging process 0 ~ 5 ℃ ≤ sensor for cell ≤ 52 ~ 58 ℃

If internal sensor detects a temperature that is outside of range, BMS will shut the pack off. Temperature protection

For discharging process sensor for cell ≤ 65 ~ 70 ℃

If internal sensor detects a temperature that is outside of range, BMS will shut the pack off. Surrounded working

condition temperature

Charge: 5 ~ 45°C Discharge: -20 ~ 55°C

Suggested for charging: 10 ~ 40°C Suggested for discharging: -10 ~ 45°C

Storage Temperature -10°C ~ 40°C ( for ≤ 3 months) Keep SOC at 40~60% for long term storage


The battery pack has handle(s) for lifting and carrying, and an intelligent indicator to show the voltage, current, SOC, etc. There are also red and black terminals (which have M8 screw holes) built on top for connection to a power cables. In addition, there are 3 bolt holes on each long side of battery pack, these screw holes are sized for bolts of M4*8, means battery packs can be fixed with such bolts. These bolt holes do not affect the IP66 rating, as the ends of the holes are completely sealed.

Operations on intelligent indicator

Firstly, press "A/Ah/set" button to light on indicator, then, If press "V/<" button, it will show Voltage.

If press "%/>" button, it will show SOC percentage.

If press "A/Ah/SET" button, it will show Current (Ampere), 
 again press "A/Ah/SET" button, it will show Capacity (Ah). (Indicator can be manual calibrated, for more information, Please contact us for details.)

Multi-pins socket (nominal version and pro-version)

Here is a multi-pins socket built on the top of battery pack,

For the standard version of battery pack, socket is only used for connecting the second remote indicator, so customer can put this extra indicator any where as they wanted, to show the voltage, current, SOC or available capacity.

This second indicator is made of 3 parts, part A is an indicator, part B is a 2 meters extension wire, part C is a multi-pins connector. They can be connected to each other easily. By use more part B (extension wire part), can build the 2 meters, 4 meters or 6 meters long remote indicator..

For the pro-version battery pack, this socket can send out "on-off" signals to notify operator if battery pack is not in good range of temperature, voltage or current. The certain pins will have different on-off signals accordingly. Those pins can be used as switches to turn on the alert of lighter, speakers, or relays and contactors. They are not only used in single pack application, but also very necessary to be used in parallel configed battery systems. For more information, please review the document of pin defines of multi-pin socket.

The socket of pro-version battery pack have enough pins to connect the second remote indicator.

For OEM customize orders, this multi-pins socket can be customized to difference usages. For example it can be built with all inside cells have their cell volt wires and temperature sensor wires connected to this socket. then customer can use their own BMS connected to this socket to manage this battery pack. By this way, customer can build big battery system with dozens of such battery packs in parallel and series config, to reach the high voltage and big capacity capability. We can also increase the height of top lid, so it will have enough space for install customer’s BMS inside battery pack (replace PCB BMS area), in this situation multi-pin socket can be used for signal transport and power supplying for inside BMS. We can offer such kind of pre-configured battery packs in mass volume, customer just need to open the lid and install their own BMS into battery pack.


-V1, -W1, -X1, is 8-pins socket, standard version. -V2, -W2, -X2, is 12-pins socket, standard version. -V3, -W3, -X3, is 12-pins socket, pro-version version.


Battery care and maintenance

• When the battery pack is over-discharged to the point that it triggers BMS protections, please stop using it immediately and recharge it as soon as possible (within 12 hours), even recharging 2~5% of the electricity back into the battery will contribute to the health of the battery. Do not over-discharge the battery, as this is very harmful to the cycle life of the battery and may cause permanent damage.

• Unlike with Lead Acid batteries, li-ion batteries do not require a full SOC for storage. Keeping the SOC in the middle range is good for long-term storage. For daily use, however, we suggest to charge to no more than 95% SOC and to discharge to no less than 10% SOC.

• For long-term storage please keep the batteries at 40%~60% SOC, discharge and recharge batteries 1~2 times after about 3~6 months in storage, as to maintain cycle health. Do not fully charge the batteries for the long-term storage, as that can be harmful to cycle life and performance.

• The battery pack can be discharged in lower temperatures, such as below 0℃, however the discharge performance and available capacity will be affected. Along with this, the battery pack can NOT be charged below 0℃, as that will cause permanent damage to Li-ion batteries and can even cause safety problems. For this reason, please only charge the packs above 0℃ (32°F), recommended ≥ 5℃ (≥ 40°F). The best working condition for the battery pack is 15°C~40°C (59°F~104°F). Take the necessary procedures to keep the batteries in a good temperature range.

• The Li-ion cell will be permanently damaged if the internal temperature gets too high (over 70℃, or 158°F). For this reason, do not continuously charge or discharge the battery pack with a high current if the surrounding temperature is really high, or else the battery cycle life and performance will be dramatically reduced.

• Do not wash the batteries with an organic solvent. In the event of a fire, DO NOT use a CO2 fire extinguisher, opt for CCI4, 6% F-500 fire suppressant mixed with 94% water, or sand soil instead.

• Please handle the pack with care to avoid severe vibrations or drops.

• Do not charge or discharge any battery pack without a BMS as this will allow the cells to be over-charged and under-discharged, leading to the serious damage to the batteries and risk of injury to the user.

• Do not over discharge the battery pack which may cause battery pack voltage lower than the "Discharge cut off Voltage" value, such kind of operation may easily damage the battery pack and invalidate the warranty.

Parallel config guideline (Optional, only for certain models)

If you have any doubts about parallel operation, please check with the supplier to see if the specified model supports parallel configuration or not. Most of those battery packs can be operated in parallel, please contact supplier for the guild file that is specific to that model and follow it exactly, the improper operation may damage the battery pack and invalidate the warranty.


Battery pack electrical characteristics

Unless otherwise specified, this Li-ion battery pack charge and discharge parameters are: Charging state:

When any single cell reaches 3.85 ± 0.05 V, BMS will trigger charge cut-off protection within 0.8~1.8 secs. When the entire pack reaches a voltage of 3.65*N, taper the charging current until it is less than C/20, charging state is finished. The battery pack user can negotiate with the charger supplier to modify this C/20 to like C/25 or C/15 etc, it can increase or decrease the end charging time accordingly. It can also customize the 3.65*N to 3.60*N, so the battery packs can obtain a longer cycle life.

(PS: N is the number of 3.2V parallel units in series config of battery pack) Discharge state:

When any cell has a voltage less than 2.5V, the battery pack will trigger the low-voltage cut-off protection. Since there will be a severe dynamic voltage drop with a high-current draw when the cell is almost empty, it is difficult to have a cut-off voltage as high as 2.5V, as it will frequently trigger the protection if the application requires a high peak discharge current. Because of that high-current draw characteristic, We have set the PCB BMS to trigger the cut-off protection when any cell’s dynamic voltage reaches 2.22~2.38 V for 0.3~0.7 of a second. Since this discharge cut-off protection is very low, the voltage protection setting for the controller should be set to a much higher value.

For example,

In a vehicle application, we typically set the low volt protection of the controller to "3.0V * N.”

In some applications that need to offer a shorter high-current discharge at the end of SOC, such as a 2C discharge, the low volt protection of the controller can be set to "2.8V * N.”

The important part is to set this value correctly, and to make sure there is still about 5%~10% of the electricity left in the battery pack after the device triggered protection. (The way to know how much electricity is left in battery pack is directly discharge the battery pack and record how much electricity been discharged.)

Single cell performance based on temperature and SOC 

(For cells used in preferred series battery packs)

For the charging process, in a constant current state of CC/CV charge mode, cell level, (not for pack level) T ≤ 0 ℃ (32°F), it is not allowed to be charged.

0 ℃ ≤ T ≤ 10 ℃ (32°F ≤ T ≤ 50°F), allow ≤ C/3 charge current, suggest ≤ C/5 charge current. 10 ℃ ≤ T ≤ 15 ℃ (50°F ≤ T ≤ 59°F), allow ≤ C/2 charge current, suggest ≤ C/3 charge current. 15 ℃ ≤ T ≤ 40 ℃ (59°F ≤ T ≤ 104°F), allow ≤ 1C charge current, suggest ≤ C/2 charge current.

40 ℃ ≤ T ≤ 50 ℃ (104°F ≤ T ≤ 122°F), allow ≤ C/3 charge current, suggest ≤ C/5 charge current. (Only for emergency use)

For the discharging process, with a pulse discharge current, cell level, (not for pack level) -20 ℃ ≤ T ≤ 0 ℃ (-4°F ≤ T ≤ 32°F), allow ≤ C/2 pulse discharge current @ 30s, SOC ≥ 30%. 0 ℃ ≤ T ≤ 10 ℃ (32°F ≤ T ≤ 50°F), allow ≤ 1C pulse discharge current @ 30s, SOC ≥ 30%. 10 ℃ ≤ T ≤ 15 ℃ (50°F ≤ T ≤ 59°F), allow ≤ 1.5C pulse discharge current @ 30s, SOC ≥ 30%. 15 ℃ ≤ T ≤ 40 ℃ (59°F ≤ T ≤ 104°F), allow ≤ 2C pulse discharge current @ 30s, SOC ≥ 30%.

40 ℃ ≤ T ≤ 50 ℃ (104°F ≤ T ≤ 122°F), allow ≤ 1C pulse discharge current @ 30s, SOC ≥ 30%. (Only for emergency use)

The "T" is the temperature of the Li-ion cells, all of the above data is based an individual cell, so the entire battery pack performance should be reduced accordingly. When placing cells into a metal case to assemble a battery pack, be sure to consider the heat accumulation inside of the pack. When cells are in a discharging or charging state, they are sensitive to temperature, please keep them in the proper temperature ranges.


Requirements for the operation of li-ion battery packs (General purpose)

Before operating, please read the related documents to obtain a full understanding of the battery pack, charger, additional devices (such as a controller), and the necessary related components. Along with this, make sure they are all compatible with the battery pack and all of the necessary work has been done. The operator should have the clear understanding of the characteristics of Li-ion batteries and be professional in the installation and operation of the Li-ion battery packs. Please make sure the charger is suitable for the specified Li-ion battery type, do not use lead acid battery chargers for CC/CV mode which will offer pulse peak current in the last charging state, this is harmful to Li-ion batteries.

For some applications which need a constant high current for the entire discharging and/or charging state, in those high-current applications make to monitor the internal and external temperatures of the battery pack. If necessary, contact us for answers on a specific application or customize the battery pack parameters if need to.

Test Performance and Conditions (general)

Tests should be conducted on new batteries within three months after receiving the batteries. Batteries must not have been cycled more than five times before the tests. Unless otherwise defined, tests and measurements shall be done under a temperature of 23±2°C and relative humidity of 45~85%.

ItemMeasuring ProcedureRequired Results

Vibration test

After a standard charge, the battery / battery pack is to be tested as follows:

Amplitude: 0.8mm

Frequency: 10~55Hz(sweep:1Hz/min)

Direction: X/Y/Z axis for 9~30min. The battery / battery pack is to be tested in three mutually perpendicular to each axis.

No fire, explosion, or smoke.

Short-Circuit Test

After a standard charge, the battery / battery pack is to be Short-circuited by connecting the positive and negative Terminals of the battery / battery pack with copper wire having a Maximum resistance load of 0.1 ohm.

No fire or explosion. The temperature of the exterior cell casing does not exceed 120°C.

Heating Test

The battery / battery pack is to be heated in a gravity convection or circulating air oven. The temperature of the oven is to be raised at a rate of 5±2 °C/min. At this temperature, the oven must be kept on for 10 minutes before the test can be concluded

No fire or explosion.

Over Charging Test

After a standard charge, the battery / battery pack is subjected to a charging current by connecting it to a DC-power supply. The beginning current is 3C, which is to be obtained by connecting a resistor of specified size and rating in series with the battery / battery pack. The test time is 2.5 hours. The initial current does not need to be

maintained for the entire 2.5 hours.


Transportation & Storage of li-ion Battery Pack (general)

Proper transportation and storage of Li-ion battery packs are critical, ensure this section is followed carefully to prevent damage to the pack and injury to the user:

• Can be transported via truck, train, and ship, kept them out of the sun and rain during transportation.

• Handle the battery pack and cells with care when assembling and disassembling, do not drop or excessively shake them.

• Do not place any heavy objects on the battery pack during transportation.

• Do not transport the batteries with flammable material, explosives, or sharp objects.

• Follow all local laws and regulations for transporting Li-ion batteries. Ensure the packaging is marked with waterproof stickers clearly labeling the product held within.

After-sale Service

For both warranty and after-sale service, the following will be enforced:

Warranty year(s) for this model of battery pack are specified by supplier. During the warranty period, we will take responsibility for the replacement or repair for any of the following issues:

• The whole battery pack cannot be charged or discharged.

• Under the standard testing condition, the capacity is less than 80% in the end of the first year, or 70% in the end of last warranty year (if the last warranty year is provided in the warranty period).

• There is liquid leakage.

• There is some damage on battery pack’s case and accessories that are caused by the battery. • The charger is not working properly.

However, we will not take responsibility in the following situations: • Expired warranty period.

• Battery damage as a result of improper handling. • The battery pack is dismantled and converted.

• There is visible damage to the BMS that was not caused by battery failure. • Damage caused by using an incorrect charger for the pack.

12v 100ah Battery Comparison! Budget LiFePO4 VS Battle Born VS Lead Acid


Bestgo Battery Company limited specializes in manufacturing advanced lithium ion batteries. We deployed fully automatic Product Data Monitoring System (PDMS) in all cell manufacturing process. We take high quality materials, advanced laser equipments and nano level liquid dissolve based manufacturing formula and high precision quality control, to make sure our batteries have high reliable quality with nice cost achieved in mass production.

Bestgo developed patent designed battery modules. Those unified modules can eliminate uncertain factors in mass production, modules can simplify the structure design of battery pack, make sure battery pack have high reliability in vibration conditions, and easy of maintenance in battery packs. We cooperated with BMS suppliers to developed BMS suit for our batteries, not only have advanced BMS that support screens and communication functions, but also have cost-effective PCB BMS available. We offer the products with flexible in customize, high reliable quality and "ready-to-use" systems.


Battery bestgo

If you’re thinking of upgrading or replacing the batteries of your electric go-kart, then this article is what you’re looking for. This article is also suitable for you if you’re building your own homemade go-kart and are looking for suitable batteries. Finding the best batteries for your electric go-kart can be a daunting task, especially since there are so many different ones to choose from.

We’ll first go through some of the best go-kart batteries that are available. There is also a buying guide and an FAQ section that will help you understand the most important aspects for selecting your go-kart battery. This guide aims to help you in making your purchase decision easier by understanding the most important information. Without further ado, let’s take a look at the best batteries for your electric go-kart.

1. Mighty Max Battery YTX4L-BS


  • Lead-Acid battery
  • 12 Volts
  • 3 Ah rechargeable

The Mighty Max Battery YTX4L-BS is the best battery for electric go-karts that is made of lead-acid, as it features the perfect combination of price and specifications. It’s a 12 V Sealed Lead Acid Battery (SLA) that has a length of 4.4 inches  (11.18 cm), a height of 3.42 inches (8.69 cm) and a width of 2.9 inches (6.99 cm) inches. It’s also relatively light at only 2.93 pounds (1.33 kg). The battery is fully rechargeable and can be operated within a wide range of temperatures. The Mighty Max Battery YTX4L-BS is also said to have a long service life and deep discharge recovery.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 3 Ah

Dimensions & Weight

Height: 3.42″ (8.69 cm)
Width: 2.9″ (6.99 cm)
Length: 4.4″ (11.18 cm) 
Weight: 2.93 lbs (1.33 kg)

2. Universal Power Group UB12120


  • Lead-Acid battery
  • 12 Volts
  • 12 Ah rechargeable

The Universal Power Group UB12120 is a very dense Sealed Lead Acid (SLA) rechargeable battery that is most suitable for low voltage motors that require a larger capacity. It’s rated at 12 V and has a charge of 12 Ah. You could also use them in series to increase the voltage to match the motors. As far as dimensions are concerned, the Universal Power Group UB12120 is 5.94 inches (15.09 cm) in length, has a width of 3.88 inches (9.86 cm) and a height of 4.06 inches (10.31 cm). AGM/SLA batteries are also known to be maintenance-free and spill proof, which is a great feature for go-karts.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 12 Ah

Dimensions & Weight

Height: 5.94″ (15.09 cm)
Width: 3.88″ (9.86 cm)
Length: 4.06″ (10.31.18 cm) 
Weight: 8.16 lbs (3.7 kg)

3. ExpertPower ETX4L-BS


  • Lead-Acid battery
  • 12 Volts
  • 4 Ah rechargeable

The ExpertPower ETX4L-BS is another great battery for electric go-karts, as it’s affordable and compact. As with most go-kart batteries it also features Sealed Lead Acid (SLA). The battery is rated at 12 volts and has a capacity of 4Ah. With regards to its specifications, it’s 4.44 (11.3 cm) inches long, 2.75 (7 cm) inches wide and 3.34 (8.5 cm) inches in height. The ExpertPower ETX4L-BS meets ISO safety, environmental and quality standards. Due to it’s shock and vibration resistance, this battery can be mounted anywhere on a go-kart.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 4 Ah

Dimensions & Weight

Height: 3.34″ (8.5 cm)
Width: 2.75″ (7 cm)
Length: 4.44″ (11.3 cm) 
Weight: 2.91 lbs (1.32 kg)

4. Weize YTX4L-BS


  • Lead-Acid battery
  • 12 Volts
  • 3 Ah rechargeable

The Weize YTX4L-BS is an absorbed glass mat (AGM) Sealed Lead Acid (SLA) rechargeable battery that has a rated voltage of 12 volt. It also has a capacity of 3 Ah, meaning that it has a relatively good capacity for go-karts. The Weize YTX4L-BS is 4.45 inches (11.3 cm) long, 2.72 inches (6.9 cm) wide and has a length of 3.54 inches (9 cm). With a light weight of 3.24 lbs (1.55kg) it can be mounted anywhere on the go-kart without causing weight distribution issues. However, there are lighter batteries available with similar specifications.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 3 Ah

Dimensions & Weight

Height: 3.59″ (9 cm)
Width: 2.72″ (6.9 cm)
Length: 4.45″ (11.3 cm) 
Weight: 2.91 lbs (1.32 kg)

5. Mighty Max Battery YTX7L-BS


  • Lead-Acid battery
  • 12 Volts
  • 6 Ah rechargeable

The Mighty Max Battery YTX7L-BS is a larger version of the YTX4L-BS and is more suitable for larger homemade go-karts. It’s also an absorbed glass mat (AGM) Sealed Lead Acid (SLA) rechargeable battery that has a rated voltage of 12 V and a rated capacity of 6 Ah. That means that it has a higher capacity of about 50 – 100% than its smaller counterpart. With regards to dimensions, this battery has a length of 4.4 inches (11.18 cm), a width of 2.75 (6.99 cm) inches and a height of 5.19 inches (13.18 cm).


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 6 Ah

Dimensions & Weight

Height: 5.19″ (13.18 cm)
Width: 2.75″ (6.99 cm)
Length: 4.4″ (11.18 cm) 
Weight: 8.16 lbs (3.7 kg)

6. Chrome Battery YTX4L-BS


  • Lead-Acid battery
  • 12 Volts
  • 3 Ah rechargeable

The Chrome Battery YTX4L-BS is another great option for go-karts as it’s maintenance-free through gel electrolytes. As with all of these go-kart batteries, this one also contains Sealed Lead Acid (SLA). Additionally, it’s relatively compact with a length of 4.45 inches (11.3 cm), width of 2.76 inches (7.01 cm) and a total height of 3.35 inches (8.51 cm). Another great feature of the Chrome Battery YTX4L-BS is that it has a digital display installed that informs you about the capacity and voltage. This indicator is a great tool so that you know if your voltage is suitable for the electric motor.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 3 Ah

Dimensions & Weight

Height: 3.35″ (8.51 cm)
Width: 2.76″ (7.01 cm)
Length: 4.45″ (11.3 cm) 
Weight: 3.2 lbs (1.45 kg)

7. PowerStar PM9A-BS


  • Lead-Acid battery
  • 12 Volts
  • 9 Ah rechargeable

The PowerStar PM9A-BS is also a maintenance-free battery with an Absorptive Glass Mat System (AGM) that contains Sealed Lead-Acid (SLA). As it’s properly sealed off, it will not leak or corrode, meaning that it’s safe to use on go-karts. The battery has a length of 5.31 inches (13.49 cm), a width of 2.95 inches (7.49 cm) and a height of 5.47 inches (13.98 cm). The PowerStar PM9A-BS has a rated voltage of 12 V which is ideal for go-karts, so you can connect a few of these batteries in series. It also has a capacity of 9 Ah.


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 9 Ah

Dimensions & Weight

Height: 5.47″ (13.98 cm)
Width: 2.95″ (7.49 cm)
Length: 5.31″ (13.49 cm) 
Weight: 7 lbs (3.18 kg)

8. Battery Tender BTX4L-FA


  • Lead-Acid battery
  • 12 Volts
  • 4 Ah rechargeable

The Battery Tender BTX4L-FA is the last entry in our list of best batteries for electric go-karts and is also a Sealed Lead-Acid (SLA) battery. It’s rated at 12 volts and has a capacity of 4 Ah, as well as 80 cold crank amps (CCA). The great thing about sealed lead-acid batteries is that they run maintenance-free and also have a low self-discharge rate. The Battery Tender BTX4L-FA is 4.5 inches (11.43 cm) long, has a width of 3.4 inches (8.64 cm), a width of 2.8 inches (7.11 cm) and a weight of 3.08 lbs (1.4 kg).


Type: Lead-Acid
Rechargeable: Yes
Voltage: 12 V
Capacity: 4 Ah

Dimensions & Weight

Height: 4.5″ (11.43 cm)
Width: 2.8″ (7.11 cm)
Length: 3.4″ (8.64 cm) 
Weight: 3.08 lbs (1.4 kg)

Buying Guide

In this buying guide, we’ll be taking a closer look at some of the aspects that you should consider when deciding on a battery for your electric go-kart. It’s important that you pay close attention to the details here, as the more you understand the easier your purchase decision will be. In particular, we’ll be discussing the go-kart battery type, voltage, capacity, compatibility, weight, dimensions and price.


When it comes to batteries for your electric go-kart, there are plenty of different battery types that you can consider. The two most common ones that we will discuss today are lead-acid and lithium-ion (also known as li-ion). Both of these battery types are commonly found on go-karts and each of them has its own advantages.

Lead-Acid Go-Kart Batteries

You’ll find that the most commonly used go-kart batteries for homemade electric go-karts contain lead-acid. This is because they are simply more affordable and have a great charge capacity. They also have an acceptable self-discharge rate and can be fully recharged relatively quickly. They are also much more affordable than lithium-ion batteries. However, lead-acid batteries weigh about 4 to 5 times more than lithium ion batteries and can sometimes struggle with high current discharge, if not properly set up.

Lithium-Ion Go-Kart Batteries

On the other hand, you’ll find lithium-ion batteries more in professional electric go-karts or high-end rental karts. This is because they have some advantages over the lead-acid batteries. Most importantly, they have a much lower discharge rate and are also much lighter. Lithium-ion batteries also handle high current discharges better than lead-acid. However, the major disadvantage is price. A lithium-ion battery can cost about 5 to 6 times more than a lead-acid battery with the same capacity. That’s one of the biggest reasons to opt for lead-acid batteries, especially if you’re building your own go-kart.


Take a look at the approximate self-discharge rate of these batteries. As you can see, lithium-ion batteries have a slight advantage over lead-acid batteries in this regard. However, keep in mind that they come with a huge price increase.

Battery TypeApplicationSelf-Discharge Rate
Lead-Acid BatteryElectric Go-Karts3 - 5% Per month
Lithium-Ion BatteryElectric Go-Karts5 - 7 % in the First 24 Hours
2–3% Per Month

In summary, if you’re looking to replace the battery of an electric performance go-kart or have a higher budget, you should opt for lithium-ion batteries. On the other hand, if you’re building your own homemade go-kart or are working on a budget, you should opt for lead-acid batteries.


When it comes to voltage, you’ll need to pay attention to the specifications of your motor and controller, as you’ll need to ensure that your go-kart motor is not going to be overpowered or underpowered. One thing that you need to keep in mind is when you are running an electric go-kart motor, is that you match the rated voltage with the battery and controller.

If your rated voltage from the battery is too high, you’ll be overpowering your motor which could reduce its lifespan and potentially damage it. Underpowering will cause your go-kart to be slow, so it’s important to match the voltage. You can do this by either connecting several batteries in sequence or in parallel. Take a look at the illustration below for reference.

For example, if your go-kart engine is 48 volts, you’ll need to ensure that you have four 12 volt batteries and connect them in series (48 volt motor to 4 x 12 volt batteries). This ensures that the voltage is matched and that your go-kart motor runs optimally. Connecting batteries in parallel will keep the voltage of the battery constant and will just increase the capacity. Therefore, unless you are using a 12 volt motor you should always be connecting your batteries in series.


The capacity of a battery indicates how much energy your battery is able to store. The common unit of measurement for capacity is indicated in ampere hour or amp hour in short (Ah). Since you’ll most likely be connecting several batteries in series, you’ll only benefit from the average amp hour of all batteries connected. Amp hours only stack if you connect the batteries in parallel. However, this will not be appropriate for go-karts, as you won’t be able to stack the voltage to match the go-kart motor.

Here is the math, if your battery has a rated capacity of 4 Ah, it means that it will be able to 4 amps for exactly 1 hour. For example, if your go-kart motor runs on 16 amps and you connect four 4 Ah batteries in series, the battery will be able to supply the motor with 15 mins of energy (16 amps divided by 4 Ah = one quarter of an hour). You can increase this by getting batteries with a larger capacity or by reducing the ampere requirements of the motor. Ensure that you match your batteries accordingly to facilitate a suitable energy supply.


In essence, when you’re looking for a go-kart battery you should always ensure that it matches voltage on your electric go-kart motor and speed controller. Therefore, start by planning which motor you want to use for your go-kart. After you’ve decided on that, you should select a suitable battery and speed controller. Below is a list of all the components you should check for compatibility beforehand.

go kart battery
go kart speed controller


The weight of go-kart batteries are also important as you’ll need to ensure that your go-kart is appropriately powered. You’ll see that all of the batteries that were reviewed contain information on weight. You should account for how many batteries you need and calculate how much the weight will impact performance.

It’s also good to ensure that you mount the batteries at the right location of your electric go-kart for better weight distribution. Batteries are usually mounted towards the back. However, if you’re mounting several high capacity batteries at the back, it may cause extra wear on your rear tires and you may want to spread them out, instead.


When you’re replacing existing batteries on your electric go-kart, you should carefully check the dimensions on your replacement batteries. Ensure that there is enough room to accommodate a new set. Most often the length and the width of a battery have space constraints for replacements. There is usually more room and allowance with regards to the height of a go-kart battery.

If you’re building your own homemade go-kart, then you’ll have a little more freedom of choice. Just ensure that when you design your go-kart that you create a plan first. Work with dimension ranges for the batteries, rather than with the exact dimension of one particular battery model, in case you are required to replace them in the future.


The average lead-acid go-kart battery will cost you around $20 to $30. The exact price will mostly depend on the brand and its capacity. High capacity batteries in the 6 Ah to 12 Ah range will start at around $30. Just ensure that you account for multiple batteries if you’re planning to connect them in series.

If you’re looking for lithium-ion batteries, be prepared to pay a lot more. A lithium-ion battery of similar capacity will start at about $100. Lithium-ion batteries are around 5 to 6 times more expensive than typical lead-acid batteries.

Frequently Asked Questions

I’ve compiled a list of the most frequently asked questions about go-kart batteries. If you have any additional questions that have not been answered yet, please feel free to get in touch with me and I will be happy to address them.

What Type of Go-Kart Batteries Should I Buy?

The type of go-kart battery that is best for your go-kart depends on your preference and budget. The more common go-kart batteries are lead-acid and lithium-ion. In summary, lead-acid batteries weigh about 4 to 5 times more than lithium-ion batteries and are also about 5 to 6 times cheaper.

That’s one reason why you find more lithium-ion batteries in branded rental electric go-karts or electric performance go-karts. With that in mind, if you’re building your own go-kart, it’s completely fine to go for lead-acid batteries, as they provide you with the required power and capacity. Just ensure to match the rated voltage of the motor by connecting them in series.

How Long Do Lead-Acid Go-Kart Batteries Last?

The lifespan of a lead-acid and lithium-ion battery is about 4 to 6 years or 300 to 500 charge cycles. The amount of years it lasts depends on the frequency of usage, to what degree they are depleted and in what temperature environment they are in. The above numbers are a good average and should only be used as a reference.

If you want to know how long the battery charge lasts before it’s depleted, simply refer to the battery’s ampere hours or Ah rating. Please keep in mind that the amp hours don’t stack if the batteries are connected in series.

Do I Need to Maintain My Go-Kart Batteries?

Generally speaking, lead-acid batteries are maintenance-free. Older water-based batteries require frequent water level adjustments to ensure that they run optimally. Lead-acid batteries are gel-based and do not require any form of maintenance.

However, you should understand that the depth of discharge plays an important role in lead-acid batteries. If you can, you should prevent a lead-acid battery from fully discharging, as it can reduce its overall lifespan. Instead, if you aren’t using your electric go-kart for a while, try to make sure that the battery charge doesn’t drop below 80%. Simply charge your batteries once in a while to maintain high charge levels.

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