The18V ONE+™2.0Ah Compact LITHIUM™Battery and Charger Kit features new and improved Lithium-Ion battery cells, providing the user with up to 1.5X more runtime. The battery is engineered to deliver fade-free power for maximum performance. The 18V charger is compatible with all RYOBI ONE+™ Lithium-Ion batteries and features IntelliPort technology to maximize the lifetime of your RYOBI batteries.