This item is sold as a kit which includes the battery. The 10 in. pole saw and power head is part of the Ego power+ multi-head system. The 10 pole saw provides efficient cutting and limbing, while the automatic lubrication system lets you work until the job is done. The ORECK micro-lite narrow-kerf cutting system, features a narrow-kerf sprocket nose and double guard bars. The power head is compatible with all Ego multi-head attachments. Compatible with all Ego power+ arc lithium batteries to deliver power beyond belief. Factory Certified. 10 in. OREGON Bar and chain Includes 56V 2.5Ah battery and charger Part of ego’s power+ multi-head system 10 in. OREGON Bar and chain Includes 56V 2.5Ah battery and charger Part of ego’s power+ multi-head system