7.4V cylindrical lithium battery Product model: XL 7.4V 2200mAh
7.4V cylindrical lithium battery technical parameters (specific design according to customer requirements-voltage/capacity/size/line)

·Single battery model: 18650
·Single battery voltage: 3.7V
·Nominal voltage after the battery pack is assembled: 7.4V
·Single battery capacity: 2.2Ah
·Battery combination: 2 strings and 1 parallel
·Battery voltage range after combination: 5.0V-8.4V
·Battery capacity after combination: 2.2ah
·Battery pack power: 16.28Wh
·Battery pack size: 20*39*67mm
·Maximum discharge current: <2.2A
·Instantaneous discharge current: 4.4A-6.6A
·Maximum charging current: 0.2-0.5c
·Charging and discharging times: >500 times
·Main chip: (Seiko, TI)

3.7V cylindrical lithium battery
·Comply with relevant national battery standards and requirements
·All finished batteries have been calibrated and tested before they leave the factory and can be used directly.