Lithium Battery Converter Cordless Tool Battery Dock Power Connector for WORX 5Pin 1. Main Purpose: This battery pack is suitable for MAX 18V 20V lithium battery converts to WORX 20V 5Pin lithium battery, efficient and reliable.2. Circuit Protection: Built-in PCBA can protect the circuit very well, with stable performance, helping to extend the life of the battery pack.3. ABS shell: The battery shell is made of ABS material, it has good strength, wear resistance, aging resistance and long service life.4. Easy Installation: This wireless battery adapter is compact in size, easy to install and remove, takes up little space, convenient and durable.5. Good performance: This lithium battery has precise interfaces, which ensures good, high stability and reliability when connecting. Specification: Item type: rechargeable product Product material: ABS Scope of application: for MAX 18V 20V lithium battery converts to WORX 20V 5Pin lithium battery Package list: 1 x rechargeable battery Note :When not in use for a long time, please separate it from the battery.