Black & Decker, 20V Max Cordless Chain Saw, 10" Premium Oregon Low Kickback Bar & Chain Provides Smooth & Fast Cuts, Includes One 20V Max Lithium 2.0 Ah Battery & Charger, Charger Will Charge Battery In 5 Hours, Tool Free Blade Tension System For Improved Ease Of Use & Quick Adjustments, Lightweight Design For Ease Of Maneuverability & Reduced Fatigue, Improved Oiling System With Clear Window To Gauge Oil Level, Wrap Around Bale Handle Provides Increased Control & Comfort, Tool & Battery Will Work With The 20V Black & Decker System, For Replacement 2.0Ah Battery Use #Lbxr2020, TV #189-554, 2 Year Limited Warranty.