Circular Saw Kit. This cordless circular saw set includes everything you need to get started on your DIY projects with a Brushless 12V 5-1/2 in circular saw, a fast-charging PWR CORE 12™ Lithium Battery with PWR ASSIST™ Mobile Charging, and a PWR JUMP™ Charger. The easy-to-handle compact circular saw helps you make quick and accurate wood cuts, and the PWR CORE™ battery ensures a longer run time and battery life on the job. This circular saw kit is designed for compact power, efficiency, and performance.