| Battery Parameter |
| Model |
S004-2 |
| Battery Type |
Li ion Battery |
| Rated Voltage |
36V |
48V |
| Rated Capacity |
21Ah |
17.5Ah |
| Battery Cell |
LG MJ1 |
LG MJ1 |
| Energy |
756Wh |
840Wh |
| Series&Parallel |
10S6P |
13S5P |
| Dimension |
390*75*110mm |
390*75*110mm |
| Battery Weight |
3.6kg |
4.3kg |
| Max. Constant Discharge Current |
20A |
30A |
| Peak Current |
50A |
75A |
| Max.Charge Current |
5A |
5A |
| Max.Charge Voltage |
42V |
54.6V |
| Discharge Cut-off Voltage |
28V |
36.2V |
| Cycles Life |
≥1000 |
≥1000 |
| Charger |
42V 2A |
54.6V 2A |
| Discharge Connector |
Big bullet head |
Big bullet head |
| IP Rating |
IP65 |
IP65 |
| Charger Temperature |
0~45℃ |
0~45℃ |
| Discharge Temperature |
-10℃~60℃ |
-10℃~60℃ |
| BMS |
Overcharge, overdischarge and over-temperature protection |
Package list:
EBike Battery Pack*1
Charger*1
Keys*2
NO RETURN policy on Customized items ,but also have one year warranty.
We cannot cancel the order if the product is already produced.
3-5 days production time (including aging time) 15-20 days for the shipping
Please remark the discharge connector and wire length you need when you place an order.
If you do not remark,we will use 30cm big bullet head connector by default.
We use Big Warhead Connector by default.If you need other connector,please note on your order.
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.
Why Choose UPP (Unit Pack Power)?
1) Factory Direct Store: We assemble all batteries in our own factory, never use fake or cheap cell pack sell at lowest price to attract buyers. In addtion, we have to scrimp on everything, assemble them as quickly/cheaply as possible. We don’t take chances when it comes to our batteries or your safety!
2) Official High Quality Cell Sources: We only source genuine A-grade genuine cells from the official sources.
3) Every Battery Made Cycle Test: Each pack is ran through a full charge and discharge before leaving our facility to make sure you are getting every amp hour you paid for.
The test include: Short Circuit Safety Test √ Overcharge Safety Test √ Crush Safety Test √ Needing Safety Test √ Extrusion Safety Test √
4) Best Oversea After-sale Service: We do all this and offer it at our usual low pricing, we don’t charge a premium for Safety and Reliability. We have a proven track record of offering great after-sales support and warranty repairs/replacements. We will not leave you stuck (12 Month warranty, with Support Centres in Germany&Belgium&USA&Canada&Australia).
FAQ
Q: What type of this electric bike battery?
A: It is li ion battery, Chemical is Li(NiCoMn)O2.
Q: What is the difference between li ion battery, NI-MH battery and Lead acid battery?
A: E-bike Li-ion battery have longer cycle life, normal cycle life is 800-1000 times, and also with light weight, small size, No memory effect, Nontoxic, environmental friendly.
Q: What's temperature range of charge and discharge?
A: Charge Temperature: 0 to 45°C and Discharge Temperature: -20 to 65°C
Q: What kind of cells used on this electric bicycle battery?
A: Different capacity with different cells, we make the battery with original A grade Samsung,Panasonic,Sanyo,LG and high quality domestic cells,all can be customized as your requests.
Q: Do your e-bike battery come with charger?
A: All of our e-bike batteries come with charger, Unless it says no charger. We have normal charger and fast charger. If you need fast charger please contact with us.
Q: Do your electric bike batteries come with BMS?
A: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit,Overcharged,Over discharge and Over current.
Q: Can you provide OEM and ODM service?
A: Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality E-bike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.
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