Model: U004
Nominal Voltage: 48V
Nominal Capacity: 20Ah
Composed Type: 8 Paralles 13 Series 8P13S
Cells: 18650 Cells
Battery Material: 18650 Li(NiCoMn)O2
Max Constant Discharge Current : 30A
Available Motor Power : 48V 350W 500W 750W 1000W
Charger: 54.6V 3A
Charge Cut-off Voltage: 54.6V
Discharge Cut-offoltage: 39V
Net Weight: 5.5 Kg
Cycle life: ≥ 80% capacity after 800 cycles.
Discharge Temperature: -20 to 65°C
Charge Temperature: 0 to 45°C
Discharger connector : use Anderson connector
We provide 1 year warranty for all electric bike batteries.
Any battery with quality problem in one month we can return the money after you provid the proof.
After one month we can send BMS or cells to you for repair,or you can send it back to repair as well.
All our electric bicycle batteries with high quality cells and BMS, and they will be 100% tested before shipping.
Our global after-sales service centers are located in Westhausen Germany, California USA, Victoria AU.
If your battery cant work during warranty, sent it to nearest after-sales center, we will repair it well then send it to you.
Trade & Market
| Main Markets |
Total Revenue(%) |
| North America |
23.00% |
| Western Europe |
20.00% |
| Oceania |
15.00% |
| Northern Europe |
12.00% |
| Eastern Europe |
9.00% |
| Southern Europe |
8.00% |
| Southeast Asia |
6.00% |
| South America |
5.00% |
| Mid East |
2.00% |
- Do not immerse the battery in water or seawater, keep the battery stands by in a cool dry surrounding.
- Does not use or leave the battery near a heat source as fire or heater.
- Use the battery charger specifically for that purpose when recharging.
- Do not upside down the position and negative terminals.
- Do not connect the battery electrodes to an electrical outlet.
- Do not discard the battery in fire or a heater.
- Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.
- Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc.
- Do not strike, trample or throw the battery.
- Do not directly solder the battery and pierce the battery with a nail or other sharp objects.
Shenzhen Unitpackpower Technology Co., Ltd
We are a professional manufacture with factory, which produce all kinds of high quality lithium baterruies as customers' requirements and designs. Our products have already exported to many places all over the world. This is a team which not only master advanced science and technology but also full of passion and energy. We are trying best to provide you high quality products as well as the sincere services.
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