GearHack: Revision: Milwaukee M18 Power Tools Battery Interface

Older Revision of Milwaukee M18 Power Tools Battery Interface

Revision: 20220228_121036 | All Revisions

Milwaukee M18 Power Tools Battery Interface

The Milwaukee 18V power tool uses 18-volt lithium ion (Li-Ion) battery packs. The battery packs contains five 3.6v lithium ion power cells that provides 18v and peaks at 20v when charged.

In order to figure out how the tool operates with the battery, we ripped up a piece of paper to cover the two middle pins. We tried it on the Milwaukee M18 Oscillating Multi-Tool. We determined that the Milwaukee M18 power tools will not operate without either or both of the middle pin.

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