RIDGID introduces the 18V OCTANE Brushless Cordless 7-1/4 in. Circular Saw Kit with 18V Lithium-Ion 2.0 Ah Battery and Charger Kit. The OCTANE Brushless 18V 7-1/4 In. Circular Saw features a high performance brushless motor and advanced electronics that provide best-in-class power and intelligence. While providing increased performance with all RIDGID 18V batteries, OCTANE tools provide maximum performance in high demand applications when paired with OCTANE batteries (batteries not included). Paired with an OCTANE battery (batteries not included), this tool gives 30% more power. The Lithium-Ion 2.0 Ah Battery will provide extended runtime compared to the base Lithium-Ion 1.5 Ah Battery (R870015). The included 18V Charger is compact and features a Smart Charging Indicator that will update the battery’s charge status. With registration, this tool is backed by the Industry's Only Lifetime Service Agreement: FREE Parts. FREE Service. For LIFE. The OCTANE Brushless 7-1/4 in. Circular Saw Kit includes a 7-1/4 in. blade, blade wrench, vacuum attachment, dust chute, rafter hook, an 18V 2.0 Ah Lithium-Ion Battery, an 18V Charger, and operator's manual.