# Kobalt 24V MAX 4.0Ah Ultimate Output Battery

> Kobalt 24V MAX 4.0Ah Ultimate Output Battery (KXB 424-03) is a battery from Kobalt 24V MAX. It is labelled 24 V and holds 4 Ah.

- Line: [Kobalt 24V MAX](https://powertoolgrid.com/lines/kobalt-24v-max/)
- Category: [Batteries](https://powertoolgrid.com/compare/battery/)
- Status: current
- Data confidence: inferred (last verified 2026-10-08; [what this means](https://powertoolgrid.com/how-we-compare/#confidence))
- Page: https://powertoolgrid.com/products/kobalt-24v-max-kxb-424-03/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | KXB 424-03 | [lowes.com](https://www.lowes.com/pd/Kobalt-Ultimate-Output-24-Volt-Max-4-Amp-Hour-Lithium-Power-Tool-Battery/5013058781) (retailer, search, 2026-10-08) |
| Voltage on the label | 24 V | [lowes.com](https://www.lowes.com/pd/Kobalt-Ultimate-Output-24-Volt-Max-4-Amp-Hour-Lithium-Power-Tool-Battery/5013058781) (retailer, search, 2026-10-08) |
| Capacity | 4 Ah | [lowes.com](https://www.lowes.com/pd/Kobalt-Ultimate-Output-24-Volt-Max-4-Amp-Hour-Lithium-Power-Tool-Battery/5013058781) (retailer, search, 2026-10-08) |
| Energy | not published |  |
| Weight | not published |  |
| Warranty | not published |  |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Lowe's | not checked | unknown | — | [View at Lowe's](https://www.lowes.com/pd/Kobalt-Ultimate-Output-24-Volt-Max-4-Amp-Hour-Lithium-Power-Tool-Battery/5013058781) |

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, different line:

- [BLACK+DECKER 40V MAX 2.0Ah Battery](https://powertoolgrid.com/products/black-decker-40v-max-lbx2040/) — $89.00
- [BLACK+DECKER 40V MAX 2.5Ah Battery](https://powertoolgrid.com/products/black-decker-40v-max-lbx2540/) — $99.00
- [BLACK+DECKER 40V MAX 1.5Ah Battery](https://powertoolgrid.com/products/black-decker-40v-max-lbx1540/) — $79.00
- [Craftsman V60 2.5Ah Battery](https://powertoolgrid.com/products/craftsman-v60-cmcb6025/)
- [Craftsman V60 5.0Ah Battery](https://powertoolgrid.com/products/craftsman-v60-cmcb6050/)
- [Craftsman V60 7.5Ah Battery](https://powertoolgrid.com/products/craftsman-v60-cmcb6075/)
- [Craftsman V20 4.0Ah Battery](https://powertoolgrid.com/products/craftsman-v20-cmcb204/)
- [Craftsman V20 2.0Ah Battery](https://powertoolgrid.com/products/craftsman-v20-cmcb202/)


---
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.