Battery Voltage Explained

Like other full-size 18-volt packs, the Makita LXT battery has 10 cells.

DeWalt calls its new slide-mount system the 20V Max to distinguish it from the earlier 18-volt XRP tool system (which had tower-style batteries). In fact, though, the new system is also 18 volts, with five-cell compact and 10-cell full-size batteries.

Hilti’s tools in the 18-volt size range are actually 21.6 volts; instead of five cells per string there are six (6 x 3.6 volts = 21.6 volts). The company’s compact batteries have six cells and its full-size batteries have 12.

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