The DeWalt 12v XR 3ah battery is for professional and DIY use. The battery is compatible with the XR 10.8v and 12v range and most XR chargers. This battery offers more capacity in a smaller form factor. It is smaller in size and weighs as much as a 12v XR 2ah battery with 50% more run time. The LED battery charge status indicator helps manage the pack's charge to ensure you never run out of power.• Light• Compatible with 10.8v and 12v XR range• Charging status indicator