---
product_id: 202210377
title: "DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2)"
brand: "dewalt"
price: "£175.39"
currency: GBP
in_stock: true
reviews_count: 13
category: "Dewalt"
url: https://www.desertcart.co.uk/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack
store_origin: GB
region: United Kingdom
---

# 4Ah capacity for extended runtime 3-LED fuel gauge indicator Compact & lightweight design DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2)

**Brand:** dewalt
**Price:** £175.39
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your productivity with DEWALT’s compact powerhouse!

## Quick Answers

- **What is this?** DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) by dewalt
- **How much does it cost?** £175.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic & Compact:** Same size and weight as smaller 3Ah batteries for effortless tool handling and overhead work.
- • **Built to Last with Confidence:** Backed by a 3-year limited warranty for professional-grade reliability.
- • **Power Through Longer Projects:** 4Ah (80Wh) capacity delivers up to 33% more runtime than standard 3Ah batteries.
- • **Stay Informed with Fuel Gauge:** Integrated 3-LED charge indicator keeps you ahead of downtime.
- • **Universal DEWALT Compatibility:** Seamlessly powers all 20V MAX* tools and chargers for ultimate convenience.

## Overview

The DEWALT 20V MAX 4Ah Lithium Ion Battery 2-Pack (DCB240-2) offers a high-capacity, lightweight solution for extended tool runtime. Designed with advanced lithium ion technology, it delivers up to one-third more runtime than comparable 3Ah batteries while maintaining the same compact size and weight. Compatible across all 20V MAX tools, it features a convenient 3-LED fuel gauge and comes with a 3-year limited warranty, making it the go-to choice for professionals demanding reliable, long-lasting power.

## Description

The DCB240-2 20V MAX* 4Ah compact lithium Ion battery 2-pack provides the highest capacity within the DEWALT 20V MAX* compact battery lineup. Using state-of-the-art lithium ion technology, the DCB240 DEWALT 20V MAX* battery delivers up to one-third more run time while maintaining the same size and weight as the DCB230 20V MAX* 3Ah compact battery. Its small size and light weight provide ergonomic benefits for increased tool maneuverability and control for overhead applications. The DCB240 includes fuel gauge LED charge indicator and 3-year limited warranty.

Review: Work great! Great quality. - I'm very happy with these batteries, and I've been using then for probably a year. The size and weight is far less than some of my other DeWalt batteries, but the capacity is every bit as good as it claims to be. When the batteries on my cordless tools needed replacing, I decided to switch the whole kit over to DeWalt. That was because of the high quality of the few DeWalt tools I had, and the fact that I could buy one set of batteries to share across all my cordless tools. It turned out to be a very good decision. The DeWalt tools and batteries perform significantly better than what I had before--and those were quality tools! The batteries fit flawlessly across drills, impact drivers, angle grinders, and vacuums. Yes, the brand sells at a premium price, and yes you get more quality and performance for that price. I use my tools frequently and often for hours at a time. To me, the tools in general and these batteries in particular have proved to be worth it.
Review: Typical high quality batteries - Typical quality Dewalt product. Powers tools for long time.

## Features

- 4 Amp hour (80 Watt hour) capacity provides extended runtime
- Same size & weight as DCB230 20V MAX* compact 3Ah battery
- Lighter weight with same capacity as DCB204 4Ah battery
- Compatible with 20V MAX* tools and chargers
- Includes fuel gauge 3-LED charge indicator

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0866BYSLM |
| Amperage | 4 A |
| Antenna Location | Power Tool |
| Battery Capacity | 4 amp_hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 1.4 pounds |
| Best Sellers Rank | #107,495 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,041 in Cordless Tool Battery Packs |
| Brand | DEWALT |
| Compatible Phone Models | FEATURES 4 Amp hour (80 Watt hour) capacity provides extended runtime for the DEWALT 20V battery DEWALT battery has the same size and weight as DCB230 20V MAX* compact 3Ah battery Lighter weight with same capacity as DCB204 4Ah battery compatible with 20V MAX* tools and chargers Includes fuel gauge 3-LED charge indicator |
| Customer Reviews | 4.6 out of 5 stars 1,047 Reviews |
| Global Trade Identification Number | 00885911595766 |
| Included Components | (2) DCB240 |
| Item Dimensions | 7.01 x 3.19 x 9.37 inches |
| Item Type Name | Battery |
| Item Weight | 1.1 kg |
| Manufacturer | DEWALT |
| Model Name | DCB240-2 |
| Model Number | DCB240-2YY |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| UPC | 885911595766 |
| Unit Count | 2 Count |
| Voltage | 120 |

## Product Details

- **Battery Capacity:** 4 amp_hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** DEWALT
- **Number of Batteries:** 2 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) - Image 1](https://m.media-amazon.com/images/I/611v3ohtubL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the difference in Weight between compact and the old forum power battery?**
A: DCB240 Item Weight 1.35 pounds
DCB204 Item Weight 1.4 pounds

**Q: Anyone haveing fluid leaking from Dewalt 20 volt batteries ?**
A: Hello. There should not be any fluid leaking out of the battery.  If you are experiencing this issue, please contact our customer service at 800-433-9258.

**Q: Does the 4.0 ah actually last twice as long as the 2.0ah?**
A: The ah equals amp hour if you use 1 amp in an hour you would use two amp hours in 2 hours if you had a 4 amp hour battery in theory it would run 4 hours

**Q: Why won't the dcb107 charger give me more than 1 green light on the fuel gage?  I left them plugged in overnight, even the red light is solid. No gain**
A: Hello Damien, we apologize for the inconvenience.  Please contact DEWALT Directly so we may assist you further with your batteries.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Work great! Great quality.
*by T***R on June 19, 2026*

I'm very happy with these batteries, and I've been using then for probably a year. The size and weight is far less than some of my other DeWalt batteries, but the capacity is every bit as good as it claims to be. When the batteries on my cordless tools needed replacing, I decided to switch the whole kit over to DeWalt. That was because of the high quality of the few DeWalt tools I had, and the fact that I could buy one set of batteries to share across all my cordless tools. It turned out to be a very good decision. The DeWalt tools and batteries perform significantly better than what I had before--and those were quality tools! The batteries fit flawlessly across drills, impact drivers, angle grinders, and vacuums. Yes, the brand sells at a premium price, and yes you get more quality and performance for that price. I use my tools frequently and often for hours at a time. To me, the tools in general and these batteries in particular have proved to be worth it.

### ⭐⭐⭐⭐⭐ Typical high quality batteries
*by B***4 on August 31, 2026*

Typical quality Dewalt product. Powers tools for long time.

### ⭐⭐⭐⭐⭐ Don’t buy knock offs!
*by B***N on May 3, 2026*

So much better than the knock offs! They last longer and they are lighter. Sometime it pays to pay just a little more!

## Frequently Bought Together

- DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2)
- DEWALT 20V MAX* LED Work Light/Flashlight (DCL040)
- DEWALT 20V MAX Cordless Drill and Impact Driver, Power Tool Combo Kit with 2 Batteries and Charger (DCK240C2)

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**Shop now:** [https://www.desertcart.co.uk/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack](https://www.desertcart.co.uk/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-09-09*