Brand New Still Sealed!!! POWERSTATE Brushless Motor: Purposely built for the M18 FUEL 4-1/2 / 5 Angle Grinder delivers 8,500 RPM to provide the power to complete the toughest grinding and cutting applications REDLINK PLUS Intelligence: Most advanced system of electronics in the industry, enabling communication between batteries and tools, allowing for unmatched levels of performance, protection, and compatibility REDLITHIUM HIGH OUTPUT Battery Pack (Not Included): Provides 50% more power and runs 50% cooler versus standard REDLITHIUM Battery, superior pack construction, electronics and performance deliver more work per charge and more work over pack lifespan than any battery on the market Paddle Switch Design for Increased Comfort and Ease-Of-Use when Operating in Various Positions Tool-Free Guard Adjustment for faster guard installations and adjustments Tool-Free Accessory Changes with Integrated FIXTEC Nut Technology Electronic Clutch for Kickback Protection