Features 1.It is made of ABS material strong and durable. 2.Builtin PCBA can protect the circuit well and extend the service life of the battery adapter. 3.Professionally designed the converter can be converted without loss. 4.High quality products with pure copper joints stable and resistant to deformation. 5.It can adapt the for 18V Liion battery to the 18V for M18 battery. Specification Features: It is made of ABS material strong and durable. Built-in PCBA can protect the circuit well and extend the service life of the battery adapter. Professionally designed the converter can be converted without loss. High quality products with pure copper joints stable and resistant to deformation. It can adapt the for 18V Li-ion battery to the 18V for M18 battery. Specifications:Material: ABSSize: Approx. 9.5*7.5*4.8cm/3.74*2.95*1.89inchColor: As is shown on the photoCompatible Model: For 18V BL1830/BL1840/BL1850/BL1860 Li-ion Battery forM18 batteryPackage list:1 x Battery Adapter Package List