Worx 50022380 WA3217 24V 7.0 Ah Battery for WG784 & WG786 Electric Lawn Mowers 7.0 Ah design for longer runtime and excellent cutting power Powers Cordless WORX series WG784 and WG786 lawn mowers Removable design allows for you to charge the battery virtually anywhere without moving the entire mower Convenient battery handle for easy removal and carrying The battery has a clearly visible power test indicator on top to indicate the level of charge to the battery Interchangeable with part number 50022380