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.
Ryan (verified owner) –
Best value 18650 I’ve found. Got some 3-4yrs old and they still hold charge as good as my new ones.