The Performance Tool W50095B 12v 2.0Ah Lithium-Ion Battery is the perfect solution for improving the performance of your PT 12v power tools. With longer run times and improved performance, this battery delivers exceptional results every time. And with its quick and easy replacement design, it's the ideal solution for replacing worn out or dead batteries. This lithium-ion replacement battery is also highly compatible with PT 20v power tools with slide-on batteries, ensuring seamless integration with your existing tools. With extended battery life and rugged durability, this battery is built to last and will help you achieve the best possible results on every project.