[For battery]Suitable for 18V system battery 18V Li battery BAT607 BAT609 BAT610 BAT618 BAT619. The product is installed on the for 18V battery and works in professional power tools for 18V. Not compatible with for 18V PBA battery! [On For 18V Tools]Perfectly compatible with for 18V power tools.for long directional interface, drill, cordless drill, impact wrench, cordless screwdriver, work lamp, fan, LED lamp . [Safety and protection]Our battery adapter converters for to for 18v battery are made of environmentally friendly plastic housings that are wear-, moisture-, fall-proof and -, thus ensuring the life of the plug; the built-in protective plate and anti-discharge protection system effectively protect the battery from overdischarge. [Easy to install]The inline battery adapter is designed for easy battery installation, with a black button for quick removal and replacement of the battery and a custom-fit adapter that holds the tool and battery firmly together without loosening or slipping, so you can concentrate on your work. Due to different product batches, the appearance , which does not affect the use Colour:As Shown Material:plastic Package Contents: 1 x adapter(battery not include) 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.