Keep your DEWALT 20-Volt MAX Tools running longer with a premium 5.0 Amp hour Lithium-Ion battery packs. These Premium XR battery packs are compatible with the entire line of 20-Volt Max tools. They provide up to 60% more capacity than a standard 20-Volt MAX battery pack (DEWALT DCB200) The Lithium-Ion batteries have no memory and virtually no self-discharge for maximum productivity and less downtime. These Premium XR battery packs are backed by a 3-year warranty and a DEWALT 90-day Money Back Guarantee for added peace of mind.