Ourbattery series products take cutting and clearing to the highest level. The brushless electric motor has an innovative design to delivery high efficiency, consistent torque and maximizes run time while extending life of the product. Husqvarna Li-on batteries are designed to provide maximum output until completely discharged. They can withstand rough handling and heavy-duty use. The cooling system and built-in electronics protect the battery from overcharging deep discharging and too high working temperatures. It also allows the battery to be connected and disconnected from the charger at any time.