---
product_id: 682607601
title: "XAVITO Replacement for Kobalt 40V Battery 6.0Ah, New Upgraded 5X Longer Runtime, Compatible with Kobalt 40V Cordless Power Tool, for 40V Max Battery KB440-03 KB2540C-06 KB240-03 KRC60"
brand: "xavito"
price: "¥20148"
currency: JPY
in_stock: true
reviews_count: 8
category: "Xavito"
url: https://www.desertcart.jp/products/682607601-xavito-replacement-for-kobalt-40v-battery-6-0ah-new-upgraded
store_origin: JP
region: Japan
---

# 5X Longer Runtime 6000mAh High Capacity 5-Year Warranty & BMS Protection XAVITO Replacement for Kobalt 40V Battery 6.0Ah, New Upgraded 5X Longer Runtime, Compatible with Kobalt 40V Cordless Power Tool, for 40V Max Battery KB440-03 KB2540C-06 KB240-03 KRC60

**Brand:** xavito
**Price:** ¥20148
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your productivity — never stop, never settle!

## Quick Answers

- **What is this?** XAVITO Replacement for Kobalt 40V Battery 6.0Ah, New Upgraded 5X Longer Runtime, Compatible with Kobalt 40V Cordless Power Tool, for 40V Max Battery KB440-03 KB2540C-06 KB240-03 KRC60 by xavito
- **How much does it cost?** ¥20148 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/682607601-xavito-replacement-for-kobalt-40v-battery-6-0ah-new-upgraded)

## Best For

- xavito enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Over 1200 charge cycles with only 1% self-discharge, ensuring 5 years of reliable, consistent power.
- • **Smart Safety First:** Advanced BMS safeguards against short circuits, overcharging, and overheating for worry-free operation.
- • **Seamless Compatibility:** Fits perfectly with 45+ Kobalt 40V tools and Ryobi 40V chargers for effortless tool swaps.
- • **Confidence in Every Charge:** Backed by a 5-year warranty with free replacement and dedicated customer support.
- • **Power Through Your Projects:** Upgraded 6.0Ah lithium-ion battery delivers 5X longer runtime than standard 2.0Ah Kobalt batteries.

## Overview

The XAVITO Replacement for Kobalt 40V Battery is a high-capacity 6000mAh lithium-ion battery designed to deliver 5X longer runtime and over 1200 charge cycles. Fully compatible with 45+ Kobalt 40V cordless tools and Ryobi chargers, it features smart BMS protection for safety and reliability. With a 5-year warranty and free replacement, it’s engineered to keep your tools running longer and stronger, eliminating downtime and boosting your outdoor work efficiency.

## Description

Product description XAVITO Replacement Battery Compatible with Kobalt 40V Battery 6Ah Perfect Replacement for Kobalt 40 Volt Battery Models: KB440-03 KB2540C-06 KB640-03 KB240-06 KB240C-06 KB640-06 KB245-06 KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06 KB340C-06 2910003-RC KB440C-06 KBK0140-06 KB2540C-06 KB540C-06 1302703, etc Seamless Compatibility with Kobalt 40V Chargers: KRC60-06 / KRC40-06 / KRC 840-03, etc Fully Compatible with 45+ Kobalt 40V Tools: lawn mower, trimmer, weed eater and blower, etc #5283564 #5403451 #5149482 #4961838 #5283581 #5192702 #5129683 #5192701 #3809897 #3809896 #3809899 #5418356, etc Why Choose the New & Improved XAVITO Lithium Battery? 5X Longer Runtime & 5X Longer Life: Delivers up to 5X the runtime of the original 2.0Ah 40V battery. Features high-density cells, where 1 cell equals 5 standard cells. 1200+ Charge Cycle & Smart BMS Multi-Protection: With high-density cells, offers 1200+ cycles and 5 extra years of lifespan. Equipped with smart BMS multi-protection to prevent short circuits, overcharging, over-voltage, and overheating, ensuring reliable power and peak performance in any weather. Certified Safe & Reliable: Fully certified (UL, IEC, MSDS, UN38.3, FCC, CB, PSE). 5-Year Protection & Support: Comes with a 5-year Protection, including free returns and replacements. Package Includes: 1* XAVITO Replacement for Kobalt 40V 6.0Ah Battery & 1* User Manual For Kobalt 40V Battery For Kobalt 80V Battery For Greenworks 80V For Greenworks 60V For EGO 56V Battery

## Features

- 🌟 [New & Improved for 5X Longer Runtime]: The upgraded replacement for Kobalt 40V lithium battery offers up to 5X the runtime of the original 2.0Ah 40V battery. Model: KB440-03 | Type: Lithium-ion | Voltage: 40V | Capacity: 6000mAh | Wattage: 240Wh
- 🔋 [Replacement for Kobalt 40V Battery]: Perfect replacement for Kobalt 40V battery KB440-03 KB640-03 KB240-06 KB240C-06 KB640-06, etc. Ensures a seamless fit with Ryobi 40V chargers KRC60-06 KRC40-06 KRC 840-03, etc. 100% compatible with 45+ Kobalt 40V tools, Makes Your Tools 5X Runing Time
- ⚡ [5X Longer Life & 1200+ Cycles]: The XAVITO battery upgrade features high-density cells with 5X the lifespan of standard cells, lasting over 1200 charge cycles with only 1% self-discharge, and is built for 5 years of reliable performance
- 🏅 [BMS Protection & Certified Safe]: The 40V battery with smart BMS and multi-protection, it safeguards against short circuits, overcharging, over-voltage, and overheating, ensuring reliable power and peak performance in any weather. All XAVITO battery is fully certified (𝐔𝐋, 𝐈𝐄𝐂, 𝐌𝐒𝐃𝐒, 𝐔𝐍𝟑𝟖.𝟑, 𝐅𝐂𝐂, 𝐂𝐁, 𝐏𝐒𝐄)
- 📞 [5-Year Protection & Support]: The XAVITO replacement for kobalt 40v max battery comes with a 𝟓-𝐲𝐞𝐚𝐫 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧, with free return and replacement. If you have any questions, simply click "𝐀𝐬𝐤 𝐀 𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧" on our storefront or "𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐒𝐞𝐥𝐥𝐞𝐫" under "𝐘𝐨𝐮𝐫 𝐎𝐫𝐝𝐞𝐫." We're dedicated to providing you with a 5-star shopping experience!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DHZHGC5L |
| Amperage | 6000 Milliamps |
| Antenna Location | Power Tool |
| Battery Capacity | 6000 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 2.6 Pounds |
| Best Sellers Rank | #14,652 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #129 in Cordless Tool Battery Packs |
| Brand | XAVITO |
| Compatible Phone Models | Replacement for All Kobalt 40V Battery: KB440-03 KB2540C-06 KB240-03 KB540C-06 KB540-06 KB640-03 KB240-06 KB640-06 KB245-06 KRC60... |
| Customer Reviews | 4.6 out of 5 stars 204 Reviews |
| Item Dimensions | 6.6 x 4.3 x 1.9 inches |
| Item Weight | 2.6 Pounds |
| Manufacturer | XAVITO |
| Model Name | Replacement for Kobalt 40V Max Battery |
| Model Number | KB440-03 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Voltage | 40 Volts |
| Warranty Description | 5 Years Warranty Free Replacement |

## Product Details

- **Battery Capacity:** 6000 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** XAVITO
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![XAVITO Replacement for Kobalt 40V Battery 6.0Ah, New Upgraded 5X Longer Runtime, Compatible with Kobalt 40V Cordless Power Tool, for 40V Max Battery KB440-03 KB2540C-06 KB240-03 KRC60 - Image 1](https://m.media-amazon.com/images/I/8173adcSpyL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***Y on April 17, 2026*



### ⭐⭐⭐⭐⭐ Review
*by T***. on April 1, 2026*



### ⭐⭐⭐⭐⭐ Review
*by R***D on April 18, 2026*



## Frequently Bought Together

- XAVITO Replacement for Kobalt 40V Battery 6.0Ah, New Upgraded 5X Longer Runtime, Compatible with Kobalt 40V Cordless Power Tool, for Kobalt 40V Max Battery KB440-03 KB2540C-06 KB240-03 KRC60
- Kobalt 40-Volt Lithium Ion (Li-Ion) Generation 2 Compact Cordless Power Equipment Battery Charger with New Top Load Design, 2019 Model

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**Shop now:** [https://www.desertcart.jp/products/682607601-xavito-replacement-for-kobalt-40v-battery-6-0ah-new-upgraded](https://www.desertcart.jp/products/682607601-xavito-replacement-for-kobalt-40v-battery-6-0ah-new-upgraded)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-05*