... Ion/ LiFePO4 Feature:1. Safety: currently the safest li-ion battery, CE ROHS SGS UL UN38.3 approved, none fire, none ... explosive. PCB and BMS built inside to protect the battery.2. Environment friendly, no toxic material contained,no rare metal ... .3. Powerful: HP battery can discharge in 15C_20C.4. Long life cycle, more than ...