Products Description Mode : 18650Size : 25.6 inch (Length )*7.1 inch (diameter) Charge voltage : 4.2V Nominal voltage : 3.7VNominal capacity : 2600mAhApplicable types : Mobile power, flashlights, electric cars , security, miner's lamp, security alarm, medical equipment, and other electronic digital products Material : Pure lithium battery Standard Charging : 0.5C Rapid charge : 1.0C Standard Charging method : 0.5C（constant current）charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to≤0.05CStandard Charging : 3.0hours(Ref.) Rapid charge : 2hours(Ref.) Max.charge/ discharge current : 1C Discharge cut-off voltage : 2.75V Operating temperature Charging : 0℃~45℃ Storage temperature : -20℃~ +60℃ Weight : Approx 0.09 IbLifecycle : more than 1300timesImportancesWhen testing the batteries, please use lithium-ion battery-specific equipment. It's prohibited to use the devices without the protection function for over voltage & over current. Be careful not to reverse the battery positive and negative. Do not put the battery with the necklace, hairpin, coins or screws or other metal products together in the pocket or bag. Or store togther. It is Prohibited to connected to the battery positive and negative with conductive materials directly. The battery might be short circuit for this. Do not knock, throw or trample on the battery, or put the battery into the washing machine or high pressure container. Do not put the battery near the heat source, or moisten the battery or put the battery into the water. If the battery has become hot, smell, discoloration, deformation or abnormalities, stop using or testing immediately, try to isolate the battery and stay away. If the battery leaks and inadvertently splashes the electrolyte into the eyes, do not rub your eyes and wash it with clean water immediately.
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