... UL approved 4.long cycle 18650 14.4V rechargeable Li-ion battery 1.high energy 2.military battery quality 3.CE/UL approved 4.long ... C6. Be charged & discharged at anytime because of non-memory.7. Environmentally compatible.8. High level of safety, vision Lithium ion ... experiment, with acupuncture, smash, drop, and so on. Application:1: Backup power supply, Medical Device and so on.Approval:CE, UL, REACH ...