One battery lasts a lifetime with the Maglite NiMH Battery for ML125 Flashlights. Designed exclusively to work with the ML125 flashlight, this rechargeable battery packs a punch. Its three-cell design offers six volts of lighting power able to produce a blinding output of 193 lumens. This alkaline battery features a meticulous construction that can withstand over 1,000 recharges. That is over 72,000 hours of illuminating power! The NiMH Battery charges in ML Charging stations, reaching full power in only a few hours, allowing for quick use again and again. If constantly replacing batteries is starting to be a drag, stop and pick up one of Maglite's NiMH Rechargeable Batteries.