Product Description Product name: 26650A lithium battery Product specifications: 26650/5000mAh Capacity: 5000mAh 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 Internal resistance: about 20mΩ Cell size: diameter: 26.3mm, length: 65.2mm