Battery Dock Power Connector Conversion Kit for 18V 20V Batteries 1. Battery: For converting between maximum 18V 20V batteries for RIDGID and for AEG 18V lithium battery, very practical.2. Easier work: providing stable power, the battery allows for greater flexibility in the operation of cordless tools.3. Reliable to use: Highly compatible with batteries, the battery converter tool ensures higher safety and longer service life.4. Better Material: Made of premium ABS material, the battery dock connector with solid structure has good durability for long time use.5. Easy to Install: With light weight and compact size, convenient installation can be quickly completed in minutes. Specification: Item Type: Rechargeable Battery Product Material: ABS Application: for 18V 20V for Max lithium battery for RIDGID and for AEG 18V lithium battery. Package List :1 x Battery Note: Manual measurement, actual size shall prevail.