Converter Cordless Power Tool Lithium Battery Convert M18 18V for WORX 20V 5Pin 1. Main Purpose: This battery converter is suitable for converting M18 18V lithium battery to WORX 20V 5Pin lithium battery, efficient and stable.2. Circuit Protection: Built-in PCBA can protect the circuit very well, with less interference, greatly extend the life of the battery.3. ABS plastic: The adapter shell is made of ABS plastic, which has good strength, corrosion resistance and is not easy to deform or age.4. Compact size: The battery converter has a compact structure, which is easy to install and remove, and takes up little space, making it easy to carry.5. Good performance: Thanks to the precise interface design, the lithium battery has a stable connection and good performance, so you can use it with confidence. Specification: Item type: rechargeable Product material: ABS Scope of application: for M18V lithium battery converts to WORX 20V 5Pin lithium battery Package list: 1 x Battery Note: When not in use for a long time, please separate it from the battery.