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Product name:26650A lithium battery Product specifications: 26650/5000mAh Capacity: 5000mAh Charging current: 2A Standard charge: 0.2C Fast charging: 2.0C Standard charging method: 0.5C CC (constant current) charging to 4.2V, then CV (constant voltage 4.2V) charging until the charging current is less than or equal to 0.05C Maximum charging current: 1C Continuous discharge current: 3C Maximum discharge current: 5C Discharge cut-off protection voltage: 2.75V Charging cut-off protection voltage: 4.2V Discharge temperature: -20°C~+60°C Charging time: 1-8hrs (standard); 1hrs (fast) Internal resistance: less than 20mΩ Charge and discharge times: more than 1000 times Self-discharge: less than 100uA Battery internal resistance: less than 20mΩ Cell size: diameter: 26.3mm, length: 65.2mm