Reminder
DIY battery pack must get the cells balanced (same voltage ) before assembling. 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
sending out, we can only ensure that the single battery is good, when arrival you can test the cells within 5 days, after that
means batteries have no problem, does not provide return nor 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:5 years(from the date of successful delivery),if the single battery capacity less than 80% initial
capacity,take the testing pictures or video to us,we will replace it or give satisfied solution.
2).If any miss or damaged from 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 cost.If buyer send back the cells to seller,buyer should pay for the shipping cost.
3).These situations not provide return nor refund
1. 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.
2. 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 matched one! You can contact our sales to get a suitable BMS together.
*please consider before placing orders, once order means you have agreed. thank you for your cooperation!