Attribute: Battery Type: lithium-ion Voltage: 18V Capacity: 4000mAh/6000mAh 8000/mAh Color: Black Weight: less than 1 kilogram Any ONE+ battery can be used with any ONE+ tool. They can solve any problem that needs improvement. Now it has more powerful features, runtime, and compatibility. Because when you have the right tools, there's nothing you can't do Remember a word in the design of the RYOBI 18V ONE+ battery - innovation. These batteries use our most advanced lithium batteries and technology, designed to have a longer lifespan and provide greater power to help you complete any task. Most importantly, the 18V ONE+ battery now has over 300 compatible products, which allows you to do more. Electric tool application: Electric tools are mainly divided into metal cutting electric tools, abrasive electric tools, assembly electric tools and railway electric tools. Common electric tools include electric drills, electric grinders, electric wrenches and screwdrivers, electric hammers and impact drills, concrete vibrators, and electric planers. Very concerned chemical: none, battery number: 1 Size: 18650, Replacement battery: Yes Set Type: Batteries only, Type: Li-Ion Rated capacity: 6000 mAh, Model Number: 18V Brand Name: DUTRIEUX, Origin: China