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 batteries to replace Ryobi P104, P105, P102, P103, P107, P108 batteries. The MT20RNL adapter enables Makita 18V lithium batteries to power Ryobi 18V One+ cordless tools. Functions like an original Ryobi 18V One+ lithium battery with full compatibility. Provides extended runtime for existing 18V tools. Compatible with Makita 18V lithium batteries including BL1860B, BL1860, BL1850B, BL1850, BL1840, BL1830B, BL1830, BL1820, BL1815 and others. Designed for use with Ryobi 18V ONE+ System cordless power tools. Built-in intelligent protection chips guard against over-charging, over-discharging, over-voltage, over-current, and short-circuit. Fire-resistant construction for enhanced safety. Specification: Color: Green Material: ABS Type: Battery Converter Adapter Model: MT20RNL Rated Voltage: 18V Rated Current: 3A Compatible with Ryobi 18V cordless tools Package Contents: 1 x MT20RNL Battery Adapter