![]() | Built with high quality BMS Board for Safety protection BMS board function: Over charge protection//Over discharge protection//over voltage protection//over current protection// short circuit protection// temperature protection ////////////////////////////////////////////////////////////////////////////////////////////////// Important Tips: 1.To full charge the battery, please turn on the battery while charging. 2. ON/OFF Switch: "o" is power off , "-" is power on. 3. If you need other connector, such as: XT60, XT90, T Plug, you can connect seller. | ![]() | ||||
48V 20AH 40A( BMS)
| 52V 15AH 40A( BMS)
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Return Policy:
For batteries with any quality problems within one month, we can refund the money after you provide 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.
Return Program :
1. Should meet all return requirements :
a. bought the product within one month.
b. We will bear the return shipping fee if quality issues.
c. Buyer should bear the all shipping fee ( include the shipping cost to ship it out )& re-storage cost if without any quality issues.
2. Should contact for " Return Application Form " before return , sign the application form and put it in the package ( or we won't offer refund after received it , because we can't conifrm the information without the form )
3. Return package should be complete, we will check the the package after receive it .
If any products or accessories missed, we have the right of "Partial Refund" or "No Refund"
We don't supply warranty service for the following situation :
1. The battery goes over water .
2. The battery is broken man- made.
3. The cells are burnt out after using.
4. Return the battery without reason .
5. Open a case without contacting us.