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
4X Longer Runtime
On-Board Fuel Gauge
Battery chart that is on the back of packaging
Works with All HART 20V Tools
Fade free Lithium-Ion power
Includes: (2) 4.0Ah 20V Lithium-Ion Battery
Disclaimer: Compared to a 1.5Ah HART Lithium-Ion Battery tested on a HART Hammer Drill
