Stihl AL 301-4 Multi-ChargerSTIHLs AL 301 4 Multi Charger can sequentially charge up to four AP or AR batteries. Ideal for charging batteries overnight in a workshop or on the go, this charger helps keep professionals powered up and moving all day long it can charge up to four AP 300 S batteries in just under five hours. Features: Approved for mobile use Charges up to four batteries sequentially Flexible mounting options Stackable up to three chargers high LED indicator lights