# M18 REDLITHIUM pack — Power tool battery platform and accessory interface compatibility

For M18 REDLITHIUM pack, brand is Milwaukee; system / platform is M18; compatible with is every M18 tool, FUEL or not; notes is M18 packs fit no M12 tool and no MX FUEL machine, recorded from its source on 2026-08-11.

- **Item:** M18 REDLITHIUM pack _(verified: appears in the quote below)_
- **Brand:** Milwaukee _(our reading, not quoted from the source)_
- **System / platform:** M18 _(our reading, not quoted from the source)_
- **Compatible with:** every M18 tool, FUEL or not _(verified: appears in the quote below)_
- **Notes:** M18 packs fit no M12 tool and no MX FUEL machine _(verified: appears in the quote below)_

## What the source says

> every M18 tool, FUEL or not, is listed as fully compatible with every M18 REDLITHIUM pack, compact through XC. M18 packs fit no M12 tool and no MX FUEL machine.

## Source

- https://superarbor.io/blogs/blogs/the-milwaukee-guide

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Power tool battery platform and accessory interface compatibility](https://referencesource.org/power-tool-battery-compatibility/).