Professionals get gasoline-powered performance from their STIHL Battery-Powered Equipment with the 36-volt, 1148 watt-hour AR 3000 backpack battery. This sleek, high-performance battery powers multiple tools in the STIHL battery product line. Equipped with numerous features for the demanding professional like audible and visual recharge alerts, rain guard, sturdy housing and durable base plate, the AR 3000 is ergonomically designed to shift the weight of the battery from the tool to the back and shoulders. Recharging to 100% capacity takes only 2hrs. 40 min. when used with the AL 500 Rapid Charger - five times faster than many other backpack batteries on the market. Eliminate exhaust emissions, fuel and oil costs, reduce noise, and increase productivity and profitability with the most powerful battery in the STIHL line.