The Makita BL4025 40Vmax 2.5Ah Battery TWIN PACK + DC40RA Fast Charger Twin Pack The Makita BL4025 191B36-3 40Vmax 2.5Ah battery is part of the the XGT range. Providing a genuine solution for high demand industrial applications. The higher output batteries along with innovative tool design means it it is also the solution for high demand industrial users as well. The battery is designed with the tough environmental conditions that come along with working on site. The IPX4 rating means that they are water ristant and buit to withstand splashes from any angle. Each battery is built with impact absorbing padding and a heavy-duty outer casing. The XGT range of tools and batteries have a built-in program, that provides digital communication between the tool and batteries. XGT is a long term solution. Features and Benefits: A new type of cell has been introduced Greatly increased water and drop impact resistance Digital communication between the battery and the tool and battery and the