# Milwaukee M18 REDLITHIUM Compact Battery

> Milwaukee M18 REDLITHIUM Compact Battery (48-11-1815) is a compact battery from Milwaukee M18. It is labelled 18 V and has a 2-year limited warranty.

- Line: [Milwaukee M18](https://powertoolgrid.com/lines/milwaukee-m18/)
- Category: [Batteries](https://powertoolgrid.com/compare/battery/)
- Size tier within its line: compact
- Status: current
- Data confidence: confirmed (last verified 2026-10-29; [what this means](https://powertoolgrid.com/how-we-compare/#confidence))
- Page: https://powertoolgrid.com/products/milwaukee-m18-48-11-1815/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | 48-11-1815 | [milwaukeetool.com](https://www.milwaukeetool.com/products/details/m18-compact-redlithium-battery/48-11-1815) (brand, page, 2026-10-29) |
| Voltage on the label | 18 V | [milwaukeetool.com](https://www.milwaukeetool.com/products/details/m18-compact-redlithium-battery/48-11-1815) (brand, page, 2026-10-29) |
| Capacity | not published |  |
| Energy | not published |  |
| Weight | not published |  |
| Warranty | 2 yr | [milwaukeetool.com](https://www.milwaukeetool.com/products/details/m18-compact-redlithium-battery/48-11-1815) (brand, page, 2026-10-29) |



## The same tool on other platforms

Same category, same size tier (compact), different line:

- [DeWalt 20V MAX POWERSTACK Compact Battery](https://powertoolgrid.com/products/dewalt-20v-max-dcbp034/) — $139.00
- [Makita 18V LXT Compact 2.0Ah Battery](https://powertoolgrid.com/products/makita-18v-lxt-bl1820b/)


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PowerToolGrid lists battery yard tools from every brand side by side, with a source for every spec. [How we compare](https://powertoolgrid.com/how-we-compare/). Data as of 2026-10-29.