RIDGID R8657B-AC9540 18V Brushless Cordless 7-1/4 in. Circular Saw Kit with 4.0 Ah MAX Output Battery and ChargerRIDGID introduces the 18V Brushless Cordless 7 1/4 in. Circular Saw Kit with 4.0 Ah MAX Output Battery and Charger. The included battery and charger are compatible with all RIDGID 18V Tools. Best of all, with registration, is eligible for the Industry Leading Lifetime Service Agreement, providing FREE Parts, FREE Service For LIFE. This set includes the 18V Brushless Cordless 7 1/4 in. Circular Saw includes a 4.0 Ah MAX Output Battery, an 18V Charger, and Operators Manual.