Stihl
Stihl AK20 Battery
Stihl AK20 Battery
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AK 20 battery: Lithium-Ion 144 Wh battery
36 V, 4.0 Ah Lithium-Ion battery. The AK 20 powers tools within the STIHL AK System. With an energy capacity of 144 Wh, the battery has an integrated LED charge indicator, clearly displaying as and when the battery needs charging.
Ideal for homeowners working in their garden or, the AK 20 is versatile, long-lasting and durable, making it ideal for demanding gardening tasks.
This battery has a cold start feature, which protects the cells by warming them up in a controlled way before delivering full power and allows them to work down to -20° Celsius.
AK System batteries feature intelligent battery management system - this clever technology gives a constant level of power whether the battery is 100% charged or 1% charged.
Compatible with the AL 101, AL 301 and AL 501 charger unit. For a full list of STIHL battery-powered tool working times, click here.
The AK 20 will give you full power / reduced power when used with the following tools:
| Full power | ||||
|---|---|---|---|---|
| MSA 60 | HTA 50 | HLA 56 | FSA 60 | FSA 70 |
| BGA 50 | BGA 57 | SHA 56 | SEA 60 | RMA 235 |
| RMA 239 | RMA 243 | RMA 248 | RMA 443 | RLA 240 |
| Reduced power | ||
|---|---|---|
| MSA 70 | MSA 80 | REA 60 |
