General description Introducing the BL1850 18V 5.5Ah battery replacement set, which includes two high-capacity lithium-ion batteries and a mini charger. This set is designed for compatibility with a wide range of Makita tools and on-site radios, ensuring you have the power you need for your DIY and home improvement projects. Technical specifications Battery type: Lithium-ion Voltage: 18V Battery capacity: 5000mAh Input: 100-260V, 50/60Hz Output: 18V Charging current: 3A Condition: 100% brand new Warranty period: 24 months for charger, 12 months for batteries Compatibility and accessories Compatible with 18V battery tools including BL1830, BL1840, BL1850, BL1860, and LXT400 series Compatible with DC18RA and DC18RC chargers Compatible with various Makita tools and radios, including DMR108, DMR110, DMR107, DMR112, DMR104, DMR106, and many more Installation Simply insert the batteries into the compatible Makita tools or radios Connect the charger to a power source and place the batteries