1:High-Quality A grade cells, cycle life more than 500times,100% check capacity(0.5C standard) and impedance when cells arrived
2:All the Cells Must be Strictly tested before Manufacturing.
3:Both Chinese cells and The Japanese Cell are available
4:The Most Important( The Protection IC Can Protect the Battery From Over Charing, Over-Discharging. Short Cut. and Recovering after a Short Cut authentically)
5:High-Quality Soft Pcb Board.
6:Drop testing:more than 20times
7:The warranty is 12 Months
Our dropping test,40times no broken.Please check the video on link: