---
product_id: 656926226
title: "Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue)"
brand: "ejiasu"
price: "$U10173"
currency: UYU
in_stock: true
reviews_count: 8
category: "E Jiasu"
url: https://www.desertcart.uy/products/656926226-replacement-for-kobalt-40v-battery-6-0ah-lithium-ion-replace
store_origin: UY
region: Uruguay
---

# 240Wh Power Output 4-LED Battery Indicator 6.0Ah High Capacity Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue)

**Brand:** ejiasu
**Price:** $U10173
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your Kobalt tools and never slow down!

## Quick Answers

- **What is this?** Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) by ejiasu
- **How much does it cost?** $U10173 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/656926226-replacement-for-kobalt-40v-battery-6-0ah-lithium-ion-replace)

## Best For

- ejiasu enthusiasts

## Why This Product

- Trusted ejiasu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Risk-Free Upgrade:** Backed by 30-day money-back and 1-year exchange service for confident purchase.
- • **Seamless Compatibility:** Fits all Kobalt 40V tools lineup including mowers, blowers, trimmers, and more for ultimate versatility.
- • **Stay Informed Instantly:** Smart 4-LED fuel gauge keeps you updated on battery charge status at a glance.
- • **Power Through Your Projects:** 6.0Ah capacity delivers extended runtime for uninterrupted work sessions.
- • **Engineered for Safety & Longevity:** Integrated microchip with overload, short-circuit, and over-voltage protection ensures durability and peace of mind.

## Overview

This 6.0Ah 40V lithium-ion replacement battery offers 240Wh of power, engineered with advanced safety features and a smart LED charge indicator. Compatible with the entire Kobalt 40V tool range, it ensures longer runtime and reliable performance, backed by a 1-year warranty and hassle-free customer support.

## Description

desertcart.com: eJiasu Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06 KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) : Tools & Home Improvement

Review: Price and longevity! - Works better than original , more power and last longer !
Review: That I can get a replacement online cheaper - For the price it’s very cheap, but it works great love it

## Features

- Replacement Battery for All Kobalt 40v Battery -- This 40 volt kobalt battery with a solid value in good design and engineering, kobalt battery 40v has 6AH capacity, wattage at 240Wh, support long-lasting performance and durability, 40v max kobalt battery great replace for all kobalt 40v batteries including KB440-03 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 KRC40-06 KB440C-06 KRC60
- Reliable Quality -- High quality battery cells integrated microchip protects the rechargeable battery replacement for kobalt batteries 40v and extends lifetime, kobalt battery leaf blower equipped with automatic overload cut-off, short-circuit and over-voltage protection, no memory effect, can be charged or discharged as needed without capacity reduction, the kobalt leaf blower battery easy meet your requirement
- Widely Compatibility -- Kobalt 40 volt battery seamless fit for whole Kobalt 40-volt tools lineup including the Kobalt 40v chain saws, weed whacker, leaf blower, lawn mower(20 inch mower KM 2041B-06 KPM1040A-03, 16 inch mower KM-1640-06, please check your mower model before purchase), string trimmer, pole saw, hedge trimmer, etc... , prolonging tool run time, and 40v battery kobalt can be fast charged with all the original Kobalt 40V Chargers KRC60-06, KRC40-06 and KRC840-03
- Visible Battery Power -- Replacement for kobalt 40 V lithium battery with smart 4 led fuel indicators to show the batterty charging status, and if in demand, press the button near the indicator LED to show how much power remains in the 40v kobalt battery replacement
- What you get -- 1x kobalt 40v battery 6.0ah, replacement for kobalt 40v max battery with 30-days money back and One Year Exchange aftersales service. Any problem, please feel free to contact us. Please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller", we will give you the most satisfactory solution

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9LVSRCC |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #316,040 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,993 in Cordless Tool Battery Packs |
| Customer Reviews | 4.3 4.3 out of 5 stars (192) |
| Date First Available | July 17, 2024 |
| Item Weight | 2.6 pounds |
| Item model number | KB440-03b |
| Manufacturer | Shenzhen Henglixinyuan Electronic Technology Co.,Ltd |
| Product Dimensions | 6.7 x 4.5 x 2.3 inches |

## Product Details

- **Battery Capacity:** 6 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** eJiasu
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Indoor/Outdoor

## Images

![Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) - Image 1](https://m.media-amazon.com/images/I/61IGQ8fIj-L.jpg)
![Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) - Image 2](https://m.media-amazon.com/images/I/710pyNp8whL.jpg)
![Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) - Image 3](https://m.media-amazon.com/images/I/716ot22ecAL.jpg)
![Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) - Image 4](https://m.media-amazon.com/images/I/71jZj8onAeL.jpg)
![Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue) - Image 5](https://m.media-amazon.com/images/I/814PtxGwhwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Price and longevity!
*by D***Z on December 9, 2025*

Works better than original , more power and last longer !

### ⭐⭐⭐⭐⭐ That I can get a replacement online cheaper
*by A***R on December 8, 2025*

For the price it’s very cheap, but it works great love it

### ⭐⭐⭐⭐ Compatible with Kobalt mower
*by T***W on October 4, 2025*

Good replacement for Kobalt mower battery. Run time varies depending on grass lenghth, but it will usually last about 1.5 hours.

## Frequently Bought Together

- eJiasu Replacement for Kobalt 40V Battery: 6.0Ah Lithium ion Replace for 40 Volt Max Batteries KB-540-06 KB440-06‎ KB240-06 KB2540C-06 KB640-03 Cordless Power Tool Battery (Blue)
- Kobalt KRC 2445-03 24-volt Lithium Ion Battery Charger for Cordless Tools

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-23*