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- LED Light for Status
- Innovative STIHL Lithium-Ion Battery Technology
- Overload Protection
- Durable Design
Get more done in a day with 35% faster charging times than the AL 301, low operating costs, and easy transportation and storage. Compatible with AK, AP, and AR batteries, the AL 501 features LED indicator lights, automatic full-charge shut-off, and cooling fans to keep the battery at optimal temperatures while charging.

