The M18 FUEL™ 6-1/2 Inch circular saw is the fastest cutting 18 Volt cordless circular saw available, providing up to 30% faster cutting, 2X more run-time, and 5X the motor life compared to other saws on the market. The POWERSTATE™ brushless motor delivers cutting power that surpasses all other cordless circular saws, making it possible to handle tasks that previously would have required a corded tool to perform. This listing also includes two 5 amp hour batteries.