7.4V cylindrical lithium battery Product model: XL 7.4V 4400mAh
7.4 Technical parameters of cylindrical lithium battery (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 2 parallel
·Battery voltage range after combination: 5.0V-8.4V
·Battery capacity after combination: 4.4ah
· Battery pack power: 32.56Wh
·Battery pack size: 39*39*67mm
·Maximum discharge current: <4.4A
·Instantaneous discharge current: 8.8A-13.2A
·Maximum charging current: 0.2-0.5c
·Charging and discharging times: >500 times
·Main chip: (Seiko, TI)

7.4V 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.