... C~70°C Features:1. High operation voltage, Li-ion batteries produce 3.7 volts.2. High energy density ... compatible.8. High level of safety, vision Lithium ion batteries catch no fire and cause no explosion in ... smash, drop, and so on. Application:1: Backup power supply, Medical Device and so on.Approval:CE, UL, ... 2004 approval have been carried. digital camera/power bank Li-Ion 18650 Rechargeable Battery