Molicel INR-21700-P42A 3,6 V 4200 mAh 45 A

Molicel INR-21700-P42A is a rechargeable 21700-size lithium-ion (Li-ion) cell designed for high-power applications and battery systems requiring high discharge currents. The manufacturer classifies this cell as part of its “Power Cell” series and specifies applications including electric vehicles, racing cars, motorcycles, drones and other high-power systems.

The typical cell capacity is 4200 mAh (15.5 Wh), with a minimum capacity of 4000 mAh (14.7 Wh). The nominal voltage is 3.6 V, the maximum charging voltage is 4.2 V, and the discharge cut-off voltage is 2.5 V.

The maximum continuous discharge current is 45 A. The manufacturer specifies a standard charging current of 4.2 A, with a standard charging time of approximately 1.5 hours.

The typical AC internal resistance of the cell, measured at 1 kHz, is 10 mΩ, while the DC resistance measured at 10 A for 1 second is 16 mΩ. The manufacturer specifies a discharge temperature range from –40 °C to +60 °C.

Physical dimensions according to the manufacturer's data sheet: diameter up to 21.55 mm, height up to 70.15 mm, and weight up to 70 g.