This battery adapter converts Makita 18V batteries to be used with Ryobi 18V tools. Compatible with Ryobi ONE+ 18V tools including models P7131, P340, P208, P236, P601, P135, P515, P505, P731, and more. Allows use of Makita 18V lithium batteries such as BL1860B, BL1860, BL1850B, BL1850, BL1840, BL1830B, BL1830, BL1820, BL1815 with Ryobi 18V ONE+ system power tools. The MT20RNL adapter enables extended runtime by using high-capacity Makita lithium-ion batteries with compatible Ryobi 18V cordless tools. Designed for reliable performance, it functions seamlessly with existing 18V tools. Built-in intelligent protection chips guard against over-charging, over-discharging, over-voltage, over-current, and short-circuit conditions. Durable fire-resistant ABS construction ensures safety and long-term durability. Specifications: Color: Green Material: ABS Type: Battery Converter Adapter Model: MT20RNL Rated Voltage: 18V Rated Current: 3A Compatible with Ryobi 18V cordless power tools Package Includes: 1 x MT20RNL Battery Adapter