Specifications

Rated voltage	36 V
Max. voltage	40 V
Battery cell technology	LITHIUM-ION
Battery weight	1.2 kg
Rated capacity as per IEC 61960	4 A·h
Rated cell capacity (as per manufacturer data)	2 A·h
Number of LEDs	4
Width	118 mm
Height	108 mm
Length	78 mm

STIHL AK 20 Lithium-Ion Battery

Features
CONSTANT POWER, REGARDLESS OF BATTERY CHARGE STATUS.
With other brands of battery tools, the performance usually decreases during work as the battery discharges. This is not the case with STIHL cordless power tools with CONSTANT POWER.
Thanks to the intelligent electronics, your STIHL power tool works with consistently high power.