Features 1、[Battery Adapter] This battery adapter could convert for M18 18V lithium battery to for DEVON 20V lithium battery, cost saving. 2、[Standard Size] Professional designed, the battery converter is standard in size, can perfectly fit with the battery and power tool. 3、[Safety Design] Built in PCBA, which can protect circuit well, prevent the adapter from damage, prolong the service life. 4、[ABS Housing] The battery shell adopts high strength ABS material, which is flame retardant, sturdy and not easy to break. 5、[Compact Design] The battery converter is compact designed, convenient to carry around when outdoor works, easy to operate. Specification Item Type: Battery Adapter Material: ABS Scope of Application: Suitable for M18 18V lithium battery converted to for DEVON 20V lithium battery Package List 1 x Battery Adapter