Cell Info Repository

Dongguan K-Tech New Energy INR21700P-4000mAh (4Ah)
Dongguan K-Tech New Energy

INR21700P-4000mAh

Cylindrical 21700
Overview
ManufacturerDongguan K-Tech New Energy
ModelINR21700P-4000mAh
CaseCylindrical 21700
Cathode Active MaterialUnknown
Cycle Life500 cycles
Mass68 g
Height70.1 mm
Diameter21.8 mm
Electrical Properties
Rated Capacity4 Ah
Nominal Voltage3.7 V
Upper Voltage Limit4.2 V
Lower Voltage Limit2.75 V
Discharging Current0.8 A
Maximum Continuous Discharging Current12 A
Charging Current0.8 A
Maximum Continuous Charging Current4 A
Derived Values
Energy14.8 Wh
Specific Energy217.6 Wh/kg
Volume0.026 L
Energy Density565.6 Wh/L
Max. Continuous Discharge Rate3 C
Max. Continuous Charge Rate1 C