Description Battery Adapter for Makita 18V Lithium-Ion Battery to Ryobi 18V Battery. MT20RNL Adapter Advantage: Easy to install and remove, convenient to use your Ryobi 18V tools with Makita 18V battery. MT20RNL Adapter Compatible: Compatible with Makita 18V batteries BL1830B, BL1830, BL1820, BL1815, BL1860B, BL1860, BL1850B, BL1850, BL1840. Works with Ryobi 18V Tools: Fits all Ryobi 18V ONE+ system power tools P102, P103, P104, P105, P107, P108, P109. Packing List: 1 x Adapter (Note: Battery not included) Note: The MT20RNL adapter cannot be plugged into any charger. To charge the Makita 18V battery, please use a Makita 18V battery charger. The MT20RNL adapter is not compatible with Ryobi cordless saw P551, Ryobi 18V radio, lamp, or models P742, P746. Packing List: 1 x Adapter (Note: Battery not included) Note: 1. Please allow 1-3 cm difference due to manual measurement and slight color variation due to different display settings. 2. Due to lighting and screen differences, the item's color may vary slightly from the images. Please understand.