OptimumNano has been well-known as one of the professional manufacturers of 2000cycles 5ah 3.2v lifepo4 punch battery cell.The 32650 LiFepo4 battery cells are of high safety, high capacity, strong stability and long cycle life Product feature of 32650 lifepo4 ↯ Attractive cycle life ↯ Extended safety performance ↯ Wide operating temperature range ↯ Unrivalled high temperature performance ↯ Green energy without metal contaminant ↯ High capacity ↯ Steady output voltage ↯ Little self-discharge ↯ Double safety protection ↯ Withstand…