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Item | Specification |
Product Name | electric bike battery |
Nominal voltage | 48V |
Rated capacity | 20±1Ah (at 0.2C discharge rate) |
Dimension | (343±2) * (116±2) * (106±2)mm |
Max. continuous discharge current | 30A |
Charge current | ≤10A |
Peak discharge current | 85±15A (in 20 ±5ms) |
Discharge cut-off voltage | about 39V |
Max. charge voltage | 54.6±0.05V |
Charge Method | CC /CV |
Inner resistance | ≤120mΩ |
Weight | about 7KG |
Material of case | AL/DL/CPP |
Operation temperature range | Charge: 0°C~ +45°C Discharge: -20°C~ +45°C |



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Key Features
1.Extremely safe, no explosion, no fire under collision
2.Strong over-discharge resistance and charge retention
3.Strong charging acceptance and quick-charging capability maintenance-free and no acid or water for maintenance in usage
4.Large capability and long life for all high power output applications
5.Environmentally friendly non-toxic, non-contaminating, no rare metal.
6.Low self-discharge and good discharge performance at low temperature 7.Excellent large current discharge performance especially in startup and climbing

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1. Precautions and Safety Instructions of Lithium Battery Pack
When the voltage between the two electrodes is over 36V, the safe voltage of human beings, you should not touch them with your body.
2. Storage of Lithium Battery Pack
General Electronics Battery Co., Ltd. is a Sino-American jointventure company integrates R&D,
manufacture and sales Fortune Global 500 lithium battery customers special supplier Over 1000 different sizes and capacities of batteries.



1.Q: what functions can the BMS of the battery pack?
A: The BMS have Over-charge protection, Over-discharge protection, Over-current protection, Short-circuit protection, Temperature protection. More functions of BMS can be customized.
2.Q: What is vibration test?
A: Pack installed onto the vibration desk with clamps. During the test , equipment parameters under normal condition, Nickel film without shedding ,no scratch, the voltage is OK.
3.Q: What is drop test?
A: Packs dropped from a height of 0.5 meter to cement ground, total drop times are 6. After that, Nickel film
without shedding, no scratch, the voltage is OK.
4.Q: How to use the battery pack correctly
A: When you use the battery pack, please notice as below:
Charge: Connecting the battery pack to the charge controller, connect the charger to recharge.
Discharge: Connecting the battery pack to the load ,connect the load to discharge.
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