Compatible with for 18V battery use with tools.The main body and battery are separated to reduce the burden on the arms and shoulders when working upwards(Battery and Tool NOT Included). This tool can remove the battery from the power tool,which is used to reduce the weight of the tool and reduce the fatigue of the operator's hand when working. Made of high quality plastics, and safety to use.The extension cord is 1.5m long, which can adapt to work length environment. Using super thick cable, can withstand 36A current. It's safe. Battery holder with hook: The battery can be hung on the waist alone for easy operation. Colour:Photo Color Material:Plastic + Metal Package Contents: 3 x BAP18A Li-ion Battery Adapter Converter Note: Different batches, product color appearance may be different, does not affect Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.