Battery is NEW, was part of a kit. (Not to be confused with the older P193 model) Can be used with any Ryobi 18 volt tool, but is specially designed for the new brushless tools! INTELLICELL battery technology features advanced electronics allowing batteries to last longer, think smarter and deliver up to 30% more power. The COOL-CORE design reduces temperature to optimize battery performance and extend battery life. Advanced lithium-ion cells maximize performance. The following are available: 2 Ah $35