20V, Cordless Lithium Pole Saw, Max Lithium Ion Battery Has A Longer Lifespan & Retains Its Charge 5 Times More Than Similar Nicd Battery, Provides Up To 100 Cuts Of 1-1/2" Pine Branches Per Charge, 8" Cutting Bar & Chain Allows For A Maximum Cutting Diameter Of 6", Center Extension Allows For A Useable Length Of 6.5' Or 10', Provides Overhead Reach Of Up To 14', In-Line Power Head Allows Easy Maneuverability & Visibility Between Branches, Unit Disassembles For Easy Storage & Transport, Lightweight Design Makes It Easy To Use, For Replacement Chain Use RC800 Or Oregon #R34 Narrow Kerf Bar TV #552-752, Includes 1 Each High Capacity 20V LI-Ion Pack, Charger, Oil Bottle & Wrench.