The Maglite Ml150LR battery is a special LiFePO4-battery. This means that the battery is protected against leakage and danger of explosion. But is also ensures that this flashlight performs better than its predecessors, the Ni-MH battery.
With 6.4 Volt this battery is exactly the same version that also comes with the Maglite ML150LR. It is, however, also great to have a spare or a replacement battery.
Please note: This battery can only be used in Maglite Ml150LR flashlights. You can also expand the set with the Maglite Ml150LR charging station, Maglite Ml150LR battery and the Maglite 230V adapter. As such you can put it together any way you like.