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Bolt Energy USA 38.4 Volt 105AH

SKU 33-102

Bolt Energy USA

boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

The Bolt Energy USA 38.4 Volt 105AH is a battery pack with a nominal voltage of 38.4 V, a nominal capacity of 105 Ah, 4.032KWh of energy, a continuous discharge of 250 A, a reserve capacity of 252 minutes at 25 A and a weight of 77.3 lb.

Last updated: 27 October 2026

What we found

  • Documented by its manufacturer to fit E-Z-GO TXT, Club Car DS across several brands.
  • Specifications are published for it, each with its source, 4 of them corroborated by a second source.
  • 4 figures are contradicted by another credible source. Both readings are shown below, and neither is presented as the correct one.

Battery and charging

Working voltage range
32.4 - 43.8V

“Working Voltage 32.4 - 43.8V”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Voltage range the maker recommends
36.0V - 42.6V

“Recommended Voltage 36.0V - 42.6V”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Maximum charge current
350A

“Maximum Input Current 350A”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Permitted charger
Only Bolt's own charger

“ONLY use the charger provided by Bolt Energy USA when charging. Check the voltage of Battery and relevant connectors before using.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Round-trip efficiency
0.99

“Efficiency 0.99”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Rated charge cycles
2500 cycles at 1C, or 4000 at 0.2C

Unconfirmed

“13 Cycle life 1C@DOD100% ≥2500 cycles 0.2C@DOD100% ≥4000 cycles”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Case material
Powder Coated Steel

“Case Material Powder Coated Steel”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Cell arrangement

The maker’s own documents give different figures

Sixteen cells stated on a 38.4 V pack

38-volt-105ah-high-output-lithium-battery-kit-mini · retrieved 15 September 2026

“Cell Configuration 1P16S”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

12 cells in series

BE10538C-Universal-Installation-Instruction.pdf · retrieved 16 September 2026

“2 Standard voltage 38.4V(12S) 3 Standard Charge voltage 38.4 V”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Reserve capacity
252 minutes at 25 A

“Capacity @ 25A 252 min”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Energy stated by the maker
4.032KWh

“Energy 4.032KWh”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Nominal capacity
105 Ah

“1 Rated capacity 105Ah 2 Standard voltage 38.4V(12S)”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

“Nominal Capacity 105Ah”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Nominal voltage
38.4 V

“Nominal Voltage 38.4V”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Cell chemistry
Prismatic- LiFePO4

“Cell Type - Chemistry Prismatic- LiFePO4”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Continuous discharge
250 A

“7 Continuous discharge current 250A 8 Peak discharge current 500A(30 Secs)”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

“Maximum Continuous Discharge Current 250A”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Peak discharge

The maker’s own documents give different figures

520A ± 15.6A (30S)

38-volt-105ah-high-output-lithium-battery-kit-mini · retrieved 15 September 2026

“Peak Discharge Current 520A ± 15.6A (30S)”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

500 A for 30 seconds

BE10538C-Universal-Installation-Instruction.pdf · retrieved 16 September 2026

“8 Peak discharge current 500A(30 Secs) 9 Total weight 77.3 LBS”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Recommended charge current

The maker’s own documents give different figures

5 - 52A

38-volt-105ah-high-output-lithium-battery-kit-mini · retrieved 15 September 2026

“Recommended Charge Current 5 - 52A”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

100 A normal charge

BE10538C-Universal-Installation-Instruction.pdf · retrieved 16 September 2026

“5 Charge current Normal 100A Max 375A 6 Cut-off voltage 30V”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Discharge cut-off
30 V

“6 Cut-off voltage 30V 7 Continuous discharge current 250A”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Charge cut-off
43.8V

“BMS Charge Voltage Cut-Off 43.8V”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Maximum in parallel
Two, at most

“1) Please ensure two batteries are same Model Bolt Energy batteries and do not parallel with other brand batteries. 2) Maximum 2 packs of batteries connect in parallel.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Battery care and safety

Self-discharge rate
3% a month or less

“14 Self-discharge rate ≤3%/Month”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

“Self Discharge <3% per Month”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Where the BMS cuts out on current
260 A ± 7.8 A (50S) 520A ± 15.6A (30S)

“BMS Discharge Current Cut-Off 260 A ± A7.8A (50S) 520A ± 15.6A (30S)”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Where the BMS cuts out on charge current
375A

“Charge Current Cut-Off 375A”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Voltage charging resumes at
<43.8V

“Reconnect Voltage <43.8V”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Storage temperature
50 to 113 °F, at 75% humidity or less

Unconfirmed

“12 Storage environment Temperature 50 - 113°F Humidity ≤ 75%RH”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

What the battery management system guards against
Overcharge, over-discharge, over-current and over-temperature

“The protection board has a strong loading capacity, and the maximum discharge current can reach 500A(30 secs). It provides protection against overcharge, over discharge, over current, over temperature, and many others. The battery power input and output are actively cut off for protection.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Charge temperature range

The maker’s own documents give different figures

34°F to 140°F (0-60°C)

38-volt-105ah-high-output-lithium-battery-kit-mini · retrieved 15 September 2026

“Charging Temp. Range 34°F to 140°F (0-60°C)”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

30 to 140 °F

BE10538C-Universal-Installation-Instruction.pdf · retrieved 16 September 2026

“11 Charge method Charge 30 - 140°F Discharge -4 - 140°F”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Discharge temperature range
−4 to 140 °F

“11 Charge method Charge 30 - 140°F Discharge -4 - 140°F”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Size and fit

Overall dimensions
11.14 × 10.58 × 10.67 in

“15 Battery dimension L=11.14 IN W= 10.58 IN H= 10.67 IN”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Stated weight
77.3 lb

“9 Total weight 77.3 LBS 10 Impedance at 1000Hz. ≤50mΩ”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Terminal torque
132 in-lb, and no more

“Install your positive and negative battery and charger cables (red to positive, black to negative) Using a torque wrench, tighten to 132 inch lbs. (11ft lbs).DO NOT OVER TIGHTEN!”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Compatibility

What the CAN port is for
CAN port for testing battery

“CAN CAN port for testing battery”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Frame and components

Enclosure rating
Designed with IP66 standard

“Enclosure Protection Designed with IP66 Stardard”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Identity

Model code
BE10538C

“LiFePO4 Battery Operation Manual Model: BE10538C”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Other findings

Bluetooth
Bluetooth receiver

“Bluetooth Bluetooth receiver”

Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

Capacity retained at temperature
At least 70% of capacity at −4 °F, 90% at freezing

“5 Discharge temperature characteristic At 0.2C -4°F (6h) ≥70% 32°F (6h) ≥90% 77°F (4h) ≥100% 131°F (4h) ≥97% Discharge Capacity at specified temperature/Capacity at 77°F”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Charge storage retention
At least 97% left after a month in storage

“2 Charging storage ability in normal temperature Rest Capacity ≥ Standard Capacity *97% After standard charging, store at 77°F ± 41°F for 1 month, and then discharge capacity @0.2C current to the end of discharge voltage, then measure the capacity of cell.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Charging method
Constant current, then constant voltage

“4 Charging method CC-CV 5 Charge current Normal 100A Max 375A”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Internal impedance
50 mΩ or less, at 50% charge

“4 Internal Impedance ≤50mΩ At 50% SOC, 1kHz AC internal resistance test instrument.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Manufacturer denies series connection
Never in series — it voids the warranty

“Never run Batteries in series. If you do, your warranty will be VOID. Two of our Batteries in parallel will work and we recommend you seek proper installation guidance from Bolt Energy USA.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Standard charge voltage
38.4 V

Unconfirmed

“3 Standard Charge voltage 38.4 V 4 Charging method CC-CV”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Storage state of charge
Half to two-thirds charged, topped up every six months

“The Battery should be stored at 50%-70% SOC and must be charged once every 6 months to avoid severe discharge or damage not covered by warranty.”

Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

Compatible carts

Source: boltenergyusa.com/bolt-cart-compatibility-search

Sources

  • Bolt Energy USA — 38.4 Volt 105AHManufacturer battery page

    Bolt Energy USA

    Source: boltenergyusa.com/product/38-volt-105ah-high-output-lithium-battery-kit-mini

    Retrieved September 15, 2026

  • Bolt Energy USA — Cart Compatibility SearchManufacturer document

    Bolt Energy USA

    Source: boltenergyusa.com/bolt-cart-compatibility-search

    Retrieved September 16, 2026

  • Bolt Energy USA — BE 10538C Universal Installation InstructionManufacturer document

    Bolt Energy USA

    Source: boltenergyusa.com/wp-content/uploads/2026/03/BE10538C-Universal-Installation-Instruction.pdf

    Retrieved September 16, 2026