The Makita 10.8V slide-on Lithium-ion battery provides stable contact between battery and tool. The HS301DZ cordless circular saw has a battery protection circuit. The design protects the battery from damage due to over-discharge, high temperature or overload current. The HS301DZ features ergonomically designed soft grip handle. With your other hand gripping the motor housing, you have complete and safe control. Designed primarily for cutting sheet material, with a maximum thickness of 25.5mm, a blower function blows sawdust off the cut line. This high powered, very handy saw will also cut bevels up to 45°.