# M12 REDLITHIUM pack — Power tool battery platform and accessory interface compatibility

For M12 REDLITHIUM pack, brand is Milwaukee; system / platform is M12; compatible with is every M12 tool; notes is and only in M12 tools; nothing on this shelf accepts an M18 pack, recorded from its source on 2026-08-11.

- **Item:** M12 REDLITHIUM pack _(verified: appears in the quote below)_
- **Brand:** Milwaukee _(our reading, not quoted from the source)_
- **System / platform:** M12 _(our reading, not quoted from the source)_
- **Compatible with:** every M12 tool _(verified: appears in the quote below)_
- **Notes:** and only in M12 tools; nothing on this shelf accepts an M18 pack _(verified: appears in the quote below)_

## What the source says

> Every M12 REDLITHIUM pack works in every M12 tool, and only in M12 tools; nothing on this shelf accepts an M18 pack.

## 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/).