Compatible with One+ 18V tools Series P7131, P340, P208, P236, P601, P135, P515, P505, P731, etc. Converts 20V or 18V batteries for use with 18V tools. Replaces P104, P105, P102, P103, P107, P108 batteries. Compatible with 18V/20V and 18V Lithium-ion batteries including DCB206, DCB201, 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, etc. Quickly converts 20V/18V battery to operate 18V tools. Built-in 5V 2.1A (Max) USB charging port. Enables charging of mobile devices when needed. Note: This adapter is not compatible with any chargers. The battery adapter features built-in intelligent protection chips to prevent damage from over-charging, over-discharging, over-voltage, over-current, and short-circuit conditions. Product Benefits: This adapter allows compatible lithium batteries to power 18V cordless tools, providing extended runtime advantages of Li-Ion technology on existing tools. Simple and convenient design. If not in use for an extended period, remove from the battery. This converter does not support charging the battery. WARNING: 1. Ensure the battery is fully inserted for proper operation. 2. Do not force the battery pack into place; incorrect installation may cause damage. 3. This product is designed for tools only and is not compatible with chargers. Do not attempt to charge the battery using this adapter. Material: ABS Color: Green Package Contents: 1 x DM18RL Battery Adapter (Adapter Only, Battery Not Included) Only the items listed are included; other accessories are not part of the package. Note: Lighting effects and monitor settings may cause slight variations in color between the image and actual item. Measurement tolerance: +/- 1-3 cm.