900mAh 18350 3.7V Lithium Rechargeable Battery Features: 1. High capacity， low internal resistance 2. Stable performance and recycled 800 times 3. No memory effect， can be used to charge and discharge at any time 4. Internal impedance: !#!amp!*!le;80 milliohm (Included PTC) 5. Safety performance: explosion-proof， no leakage， not swell 6. Applicable models: electronic cigarettes， flashlight， miner's lamp， portable power， security， security alarm， medical equipment and other electronic digital products Specifications: Mode: 18350 Size: 18 x 35(mm) Material: Lithium Charge voltage: 4.2V Nominal voltage: 3.7V Nominal capacity: 900mAh Min capacity: 900mAh Max charge current: 1C(900mA) Max discharge current: 1C(900mA) Discharge cut-off voltage: 2.75V Charging temperature: 0\u2103~45\u2103 Discharging temperature: 0\u2103~45\u2103 Storage temperature: -20\u2103~+60\u2103 Standard Charging: 0.5C Rapid charge: 1.0C Standard Charging: 5.0hours(Ref.) Rapid charge: 1hours(Ref.) Standard charging method: 0.5C(constant current) charge to4.2v，then constant voltage 4.2V charge till charge current decline to !#!amp!*!le;0.05C Package included: 1 x 18350 battery Detailed Pictures: