Reminder
DIY battery pack must get the cells balanced (same voltage ) before assembly. Later if there happens
don’t know how to assembled or wrong assembly is not accepted refund. Professionals will detected
voltage/ resistance appearance and other issues before every shipment, we can only ensure that the
single battry is good, when arrival you can test the cells within 15 days, after that means batteries
have no problem, does not provide return nor refund. If you found problems you can contact us for
return or refund. Battery can only be unused (the electrode intact, no welding, no wear, the appearance
good) to provide return. Any return behavior buyers need to be responsible for shipping fee.
1).Warranty period:1 years(from the date of sucessful delivery),if the single battery capacity less
than 80% initial capacity,take the test pictures or video to us,we will replace it or give satisfied
solution.
2).If any miss or damaged for the shipping.Please contact us firstly, then send us the picture or video
to check. In case of loss of cargo or the battery is damaged and can not be used or there is a greater
risk of use, we will communicate with buyer if resend it or replace it or refund the product costIf
buyer send back the cells to seller,buyer should pay for the shipping cost.
3).These situations not provide retun nor refund
a. After the assembly or assembly process happen any problem, such as the protection board
connected to the wrong wire burned lead to battery damage, charger failure, the assembly error or
unbalanced assembly, etc.
b. For damage caused , such as battery bulge (welded, battery pack without protection BMS caused by
charging.
Tips:
*These products are prototype batteries without protection board,you need to purchase a
match one! You can check our shop and search BMS.
*please consider before taking orders, place order means you have agreed. thank you for
your cooperation!