# Makita 18V LXT Compact 2.0Ah Battery

> Makita 18V LXT Compact 2.0Ah Battery (BL1820B) is a compact battery from Makita 18V LXT. It is labelled 18 V and holds 2 Ah.

- Line: [Makita 18V LXT](https://powertoolgrid.com/lines/makita-18v-lxt/)
- Category: [Batteries](https://powertoolgrid.com/compare/battery/)
- Size tier within its line: compact
- Status: current
- Data confidence: confirmed (last verified 2026-05-15; [what this means](https://powertoolgrid.com/how-we-compare/#confidence))
- Page: https://powertoolgrid.com/products/makita-18v-lxt-bl1820b/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | BL1820B | [makitatools.com](https://web.archive.org/web/20260515083041/https://makitatools.com/products/details/BL1820B) (brand, archive, 2026-05-15) |
| Voltage on the label | 18 V | [makitatools.com](https://web.archive.org/web/20260515083041/https://makitatools.com/products/details/BL1820B) (brand, archive, 2026-05-15) |
| Capacity | 2 Ah | [makitatools.com](https://web.archive.org/web/20260515083041/https://makitatools.com/products/details/BL1820B) (brand, archive, 2026-05-15) |
| Energy | not published |  |
| Weight | not published |  |
| Warranty | not published |  |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Tool Nut | $109.00 | out of stock | 2026-10-11 | [View at Tool Nut](https://www.toolnut.com/products/makita-bl1820b-18v-compact-2-0-ah-battery) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

## 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
- [Milwaukee M18 REDLITHIUM Compact Battery](https://powertoolgrid.com/products/milwaukee-m18-48-11-1815/)


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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.
