# Kobalt 40V

> Kobalt 40V is Kobalt's cordless battery platform. PowerToolGrid lists 15 products in it: 7 batteries, 3 lawn mowers, 1 trimmer, 3 leaf blowers and more. Sold only at Lowe's.

- Brand: [Kobalt](https://powertoolgrid.com/brands/kobalt/)
- Status: current
- Page: https://powertoolgrid.com/lines/kobalt-40v/

Lowe's: Kobalt 40V family of 45+ outdoor tools on one interchangeable battery (https://www.lowes.com/pd/Kobalt-Gen4-40-volt-520-CFM-120-MPH-Brushless-Handheld-Cordless-Electric-Leaf-Blower-4-Ah-Battery-Charger-Included/5002904975). Not interchangeable with Greenworks 40V per secondary Q&A pages only. Read via web search 2026-10-08; re-read the page when the host is reachable. Store: Lowe's house brand (Lowe's 2014 launch release, https://corporate.lowes.com/newsroom/press-releases/kobalt-launches-new-line-cordless-outdoor-power-equipment-02-27-14).

## Products

Voltage is the label figure; tool weights are the bare tool. Each product's page names the source of every value.

### Batteries

| Product | Size tier | Volts (V) | Batteries | Capacity (Ah) | Energy (Wh) | Weight (lb) | Cut (in) | Bar (in) | Air (CFM) | Air (MPH) | Clearing (in) | Self-propelled | Brushless motor | Warranty (yr) | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Kobalt 40V 2.5Ah Battery](https://powertoolgrid.com/products/kobalt-40v-2-5ah/) | — | 40 | — | 2.5 | — | — | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 3.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-3-0ah/) | — | 40 | — | 3 | — | — | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 4.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-4-0ah/) | — | 40 | — | 4 | — | — | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 5.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-5-0ah/) | — | 40 | — | 5 | — | — | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 6.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-kb-640-03/) | — | 40 | — | 6 | — | — | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 2.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-2-0ah-battery/) | — | 40 | — | 2 | — | 2 | — | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 8.0Ah Battery](https://powertoolgrid.com/products/kobalt-40v-8-0ah-battery/) | — | 40 | — | 8 | — | 3 | — | — | — | — | — | — | — | 3 | — |  |

### Lawn mowers

| Product | Size tier | Volts (V) | Batteries | Capacity (Ah) | Energy (Wh) | Weight (lb) | Cut (in) | Bar (in) | Air (CFM) | Air (MPH) | Clearing (in) | Self-propelled | Brushless motor | Warranty (yr) | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Kobalt 40V 21 in Self-Propelled Mower](https://powertoolgrid.com/products/kobalt-40v-kspm-2040b-03/) | — | 40 | — | — | — | — | 21 | — | — | — | — | yes | — | — | — |  |
| [Kobalt 40V 19 in Brushless Push Mower](https://powertoolgrid.com/products/kobalt-40v-19-in-brushless-push-mower/) | — | 40 | — | — | — | — | 19 | — | — | — | — | — | — | — | — |  |
| [Kobalt 40V 20 in Brushless Push Mower](https://powertoolgrid.com/products/kobalt-40v-20-in-brushless-push-mower/) | — | 40 | — | — | — | — | 20 | — | — | — | — | — | — | — | — |  |

### String trimmers

| Product | Size tier | Volts (V) | Batteries | Capacity (Ah) | Energy (Wh) | Weight (lb) | Cut (in) | Bar (in) | Air (CFM) | Air (MPH) | Clearing (in) | Self-propelled | Brushless motor | Warranty (yr) | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Kobalt 40V Gen4 15 in String Trimmer](https://powertoolgrid.com/products/kobalt-40v-gen4-15in-trimmer/) | — | 40 | — | — | — | — | 15 | — | — | — | — | — | — | — | — |  |

### Leaf blowers

| Product | Size tier | Volts (V) | Batteries | Capacity (Ah) | Energy (Wh) | Weight (lb) | Cut (in) | Bar (in) | Air (CFM) | Air (MPH) | Clearing (in) | Self-propelled | Brushless motor | Warranty (yr) | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Kobalt 40V 480 CFM Blower](https://powertoolgrid.com/products/kobalt-40v-480-cfm-blower/) | — | 40 | — | — | — | — | — | — | 480 | 110 | — | — | — | 5 | — |  |
| [Kobalt 40V 600 CFM Blower](https://powertoolgrid.com/products/kobalt-40v-600-cfm-blower/) | — | 40 | — | — | — | — | — | — | 600 | 130 | — | — | — | — | — |  |
| [Kobalt 40V Gen4 520 CFM Brushless Blower](https://powertoolgrid.com/products/kobalt-40v-gen4-520-cfm-blower/) | — | 40 | — | — | — | — | — | — | 520 | 120 | — | — | yes | 5 | — |  |

### Chainsaws

| Product | Size tier | Volts (V) | Batteries | Capacity (Ah) | Energy (Wh) | Weight (lb) | Cut (in) | Bar (in) | Air (CFM) | Air (MPH) | Clearing (in) | Self-propelled | Brushless motor | Warranty (yr) | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Kobalt 40V Gen4 14 in Brushless Chainsaw](https://powertoolgrid.com/products/kobalt-40v-gen4-14-in-brushless-chainsaw/) | — | 40 | — | — | — | — | — | 14 | — | — | — | — | — | 5 | — |  |

## Questions

**What is in the Kobalt 40V lineup?**
PowerToolGrid lists 15 Kobalt 40V products: 7 batteries, 3 lawn mowers, 1 trimmer, 3 leaf blowers and 1 chainsaw.

**Do other batteries work with Kobalt 40V tools?**
Only Kobalt 40V batteries. We have no source saying another platform's pack fits Kobalt 40V tools, or that Kobalt 40V packs fit anything else.

**Where can I buy Kobalt 40V?**
Kobalt 40V is sold only at Lowe's.


---
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.