Battery weight	1.2 kg
Rated voltage	36 V
Energy content	144 WH ¹⁾
Rated capacity as per IEC 61960	4 A·h
Rated cell capacity (as per manufacturer data)	2 A·h ²⁾

¹⁾Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life²⁾Specifications of the cell manufacturer

AK 20 battery: Lithium-Ion 144 Wh battery

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Compact Lithium-Ion battery for the AK System with a voltage of 36 V and a capacity of 144 Wh. Battery life depends on the device type. With charge level indicator (LED). Compatible with AL 101, AL 301 and AL 500 chargers.