ELAIK 21V Battery Pack Rechargeable Lithium Battery User Manual
ELAIK 21V Battery Pack Rechargeable Lithium Battery Specifications Brand: ELAIK Battery type: Ternary lithium Rated voltage of a single battery: 3.7V Charging voltage: 21V Battery capacity: 4000mAh Discharge voltage: 14V Charging current: ≤1C Sustainable discharge current: 5C-10C Operating temperature: Charging:…