This power adapter is the crux of the entire cordless MAKERX series of Go-Anywhere Creative Tools. Attach the hub to any WORX rechargeable 20-volt Power Share battery. Then: use it to EITHER fully charge your cordless MakerX tool, OR easily move the hub/battery combo around your workspace as a small portable power bank that all your MAKERX tools can plug into as you use them (no electrical outlet required!). Features a built-in 4' power cable that attaches to any MAKERX tool; on/off button and dial for variable speed control. (WORX 20-volt Power Share battery and charger needed, not included.) 4" l x 2.5" w x 1.75" h.