This battery adapter converts Makita 18V batteries for use with Ryobi 18V tools. Compatible with Ryobi ONE+ 18V tools including models P7131, P340, P208, P236, P601, P135, P515, P505, P731 and more. Allows Makita 18V lithium batteries such as BL1860B, BL1850B, BL1840, BL1830, BL1820, and BL1815 to power Ryobi 18V ONE+ cordless tools. The MT20RNL adapter enables extended runtime using existing Makita batteries on compatible Ryobi 18V devices. Built-in intelligent protection chips guard against over-charging, over-discharging, over-voltage, over-current, and short-circuit conditions. Features fire-resistant construction for added safety. Designed for reliable performance and compatibility with 18V cordless power tools. Color: Green Material: ABS Type: Battery Converter Adapter Model: MT20RNL Rated Voltage: 18 V Rated Current: 3 A Package Includes: 1 x MT20RNL Battery Adapter Note: Light reflection and display differences may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.