Features 1、PROTECT AND PROLONG LIFE: The built in PCBA can protect the circuit well and prolong the service life of the battery adapter 2、GOOD CONVERSION: This adapter can convert for DEVON 20V slider lithium battery to M18 18V slider lithium ion battery 3、DURABLE ABS: The cordless power tool adapter is made of excellent ABS material, which is strong and durable 4、COMPACT AND PORTABLE: Adopt professional compact design, easy to install, portable and easy to use 5、EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification ​Item Type: Lithium Ion Battery Adapter Material: ABS Package List 1 x Lithium Ion Battery Adapter