China 3.7V 4ah Lithium Ion Battery 21700 4000mAh Lithium Ion Battery, Find details about China Lithium Battery, Li Ion Battery from 3.7V 4ah Lithium Ion Battery 21700 4000mAh Lithium Ion Battery
Item | Parameters |
Rated voltage | 3.7V |
Rated capacity | 4000mAh |
Charge rate | 0.2C |
Constant discharge rate | 3C |
Max discharge rate | 5C |
Working temperature | -15~ 60°C |
Size | 70mmX21mm |