Dealer Transfer Request
Fields with asterisks* are required.
Stihl AK 20 Lithium-Ion Battery
AK 20 Lithium-Ion Battery
Batteries & Chargers
Overview:
Dependable battery with increased performance over the previous model.
The redesigned AK 20 battery features increased performance over the previous model and runs at full power over the entire battery run time. Easy-to-read LED display lights indicate battery charge. Compact and lightweight, this battery provides optimal power and performance for your AK System tools with minimal loss of charge during storage. Ideal for select AK System tools, the AK 20 battery provides optimal run times for the MSA 120 C-B, FSA 60 R, HLA 56, HTA 50, BGA 57, and SHA 56.
Features
- Constant Power
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.
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 |
COME AND SEE US
- 42255 Oberlin Elyria Road
- Elyria, OH 44035
- Get Directions
- 866-542-5625 | 440-322-7064
Or 440-322-8821 - Fax: 440-281-8768
- M-F: 8:00 am - 5:00 pm
- SAT: 8:00 am - 12:00 pm
© Copyright by Polen Implement, Ohio 2026. All rights reserved. Reproduction of material appearing on this Web site is strictly prohibited without written permission.

