OVERVIEW: The compact Lithium Ion pack of DEWALT 20V battery provides up to 33% more capacity than standard 20V MAX battery packs The 3-LED fuel gauge system of DEWALT battery allows immediate feedback on the state of charge No memory and virtually no self-discharge for maximum productivity and less downtime Lightweight design and quick 35-minute charge time Compact Lithium Ion pack provides up to 33% longer run-time