Description Protected 18650 Li-ion Rechargeable Battery P1835J Minimum Capacity: 3350mAh Typical Capacity: 3500mAh Normal Voltage: 3.7V Quality Li-ion rechargeable cell made in Japan In Built Safety Circuitry Protection Circuit (Against overcharge, over discharge, over current and short-circuit.) 4.2 volts max voltage and 2.5 volts cut-off voltage Over 500 charge-discharge cycles Please charge this battery with a quality li-ion battery charger before first use; Do not keep or use this battery in high temperature or humid environment; Operating Temperature: Charge 0℃~45℃, Discharge -10℃~60℃. Storage Temperature: -20℃~60℃ Do not use this battery if there is weeping, bulging or any other problem; Do not throw this battery into fire or water, or it may fire or explode; Do not crush, hit or impact this battery; Do not disassemble this battery; Keep out of reach of children; Battery will be hot when it works, please take it carefully after use; If this battery has not been used for a long time(>3months), please charge it before using it again; If the electrolyte goes into eyes, please wash eyes immediately and go for a medical treatment.
