Stihl AK Series 4520 400 6513 Battery, 4.8 Ah, Lithium-Ion

The AK 30 is the most powerful battery in the Stihl® AK series, providing up to 80% longer run times than the AK 20 and allowing users to get more work done on a single charge. This lithium-ion battery is lightweight at 2.9 lb and features a good power-to-weight ratio using 36 V. It is compatible with any Stihl® battery charger and is an affordable option for homeowners with suburban yards.