Feature : 1. Suitable for MAKITA18V BL1830 BL1840 BL1850 BL1860 BL1830B BL1840B BL1850B BL1860B lithium battery. 2. If you want to install MAKITA battery on Ryobi tool, you can use this adapter. 3. The product is small, lightweight and easily interchangeable between batteries. 4. If you want to use a more environmentally friendly lithium battery, you don't have to spend a lot of money to buy an electric drill. 5. Replace with Ryobi 18V P107, P108, P103, ABP101 lithium battery, can be used for Ryobi 18V power tools. Specification: Item Type: Battery Adapter Material: ABSPC Black color Product Size: Approx. 11 x 7.5 x 8.5 cm / 4.3 x 3.0 x 3.3 in Weight: approx. 188 g / 6.6 oz Voltage: 18V Function Description: MT20RNL black adapter, suitable for MAKITA18V BL1830 BL1840 BL1850 BL1860 BL1830B BL1840B BL1850B BL1860B lithium battery MT20RNL adapter replace for Ryobi 18V P107 P108 P103 ABP101 lithium battery, can be used for Ryobi 18V power tools How to use: The upper part is connected to the power tool and the lower part is connected to the 18V lithium battery. Package List: 1 x battery adapter 1 x User Manual