This SKIL cordless circular saw set includes everything you need to get started with a Brushless 12V 5.5 in Circular Saw, a fast-charging PWRCore 12™ Lithium Battery with PWRAssist™ Mobile Charging, and a PWR JUMP™ Charger. The easy-to-handle compact circular saw helps you make quick and accurate wood cuts, and the PWRCore 12™ battery ensures a longer run time and battery life on the job. This circular saw kit is designed for compact power, efficiency, and performance.