Ryobi 4.0ah 18v Battery

Enter the RYOBI 18V ONE+ System with the 18V ONE+ 4.0 Ah Lithium-Ion Battery. With up to 3X more runtime than the previous model, this lithium-ion battery provides an improved user experience. The new compact design is lighter weight and reduces overall user fatigue. This battery features a high visibility LED fuel gauge to clearly indicate remaining runtime. Fade-free power allows users to optimize the entire charge of the battery in all weather conditions. The robust design and anti-vibration technology increases durability and enhances user experience. Easily install and remove the battery with secure quick-release latches. Best of all, they are a part of the RYOBI 18V ONE+ System of over 280 Cordless Products that all work on the same battery platform.