Greenworks 8.5' 40V Cordless Pole Saw, 2.0 AH Battery Included 20672 G-MAX 40V Li-Ion Battery System powers multiple tools for complete yard system--includes 2Ah Battery and Charger 8-Inch bar and chain for easy trimming of branches. Product weight: 8.360 pounds Easy adjust chain tensioning system for quick tightening of the chain Automatic oiler applies oil to bar and chain when needed to ensure durability and optimal use with a translucent oil tank for clear view of oil level 3-piece aluminum shaft can be extended to 8 ft. for the perfect extended