Enhanced efficiency with on-board fuel gauge Powers All HART 20V Tools Maximize consistent power during your project with Fade free Lithium-Ion power HART 2 Pack 20-Volt Lithium-Ion 2.0Ah Battery (Charger Not Included) Key Features The 20V one battery system allows you to interchange the battery on all 20V HART products. It powers all HART 20V tools, outdoor, automotive and lifestyle items 1.25X Longer Runtime Works with All HART 20V Tools Compact and lightweight for maximum maneuverability and ease of use Fade free Lithium-Ion power for maximum and consistent power during your entire project Includes: 2.0Ah 20V Lithium-Ion Battery Disclaimer: Compared to a 1.5Ah HART Lithium-Ion Battery tested on a HART Hammer Drill Specs: Battery: 20V Lithium-Ion