---
product_id: 202210377
title: "DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2)"
brand: "dewalt"
price: "NT$8664"
currency: TWD
in_stock: true
reviews_count: 13
category: "Dewalt"
url: https://www.desertcart.tw/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack
store_origin: TW
region: Taiwan
---

# 3-LED fuel gauge indicator 4Ah extended runtime Lightweight compact design DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2)

**Brand:** dewalt
**Price:** NT$8664
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your workflow with DEWALT’s unstoppable 4Ah duo!

## Quick Answers

- **What is this?** DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) by dewalt
- **How much does it cost?** NT$8664 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/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

- • **Double The Power:** This 2-pack ensures you always have a charged battery ready, maximizing productivity on the go.
- • **Stay In The Know:** Built-in 3-LED fuel gauge keeps you informed on charge status, eliminating downtime surprises.
- • **Compact Yet Mighty:** Same size and weight as a 3Ah battery but with enhanced power—work smarter, not harder.
- • **Seamless Compatibility:** Works flawlessly with all 20V MAX* DEWALT tools and chargers—upgrade without hassle.
- • **Power Through Your Projects:** 4 Amp hour capacity delivers longer runtime for uninterrupted work sessions.

## Overview

The DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) offers extended runtime with a 4 Amp hour capacity in a compact, lightweight design. Featuring a 3-LED fuel gauge for real-time charge monitoring, these batteries are fully compatible with all 20V MAX* DEWALT tools and chargers, providing professionals with reliable, on-the-go power and convenience.

## 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: Long lasting - Great price, and quality! Husband loves the Dewalt brand.
Review: Wider than normal 2 Amp batteries. - Super batteries, but extra width makes it unable to fit some tools. The batteries work well, but just be aware they are a little wider than the 2 Amp batteries.

## 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 |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #15,254 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #100 in Cordless Tool Battery Packs |
| Customer Reviews | 4.7 4.7 out of 5 stars (931) |
| Date First Available | January 14, 2020 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.42 pounds |
| Item model number | DCB240-2YY |
| Manufacturer | DEWALT |
| Product Dimensions | 7.01 x 3.19 x 9.37 inches |

## 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)
![DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) - Image 2](https://m.media-amazon.com/images/I/61e1491qj7L.jpg)
![DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) - Image 3](https://m.media-amazon.com/images/I/71d1Tc0+S3L.jpg)
![DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) - Image 4](https://m.media-amazon.com/images/I/71ec1MqLPLL.jpg)
![DEWALT 20V MAX 4 Ah Lithium Ion Battery 2-Pack (DCB240-2) - Image 5](https://m.media-amazon.com/images/I/71o5bCqCqtL.jpg)

## 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

### ⭐⭐⭐⭐⭐ Long lasting
*by S***M on January 12, 2026*

Great price, and quality! Husband loves the Dewalt brand.

### ⭐⭐⭐⭐⭐ Wider than normal 2 Amp batteries.
*by J***9 on January 11, 2026*

Super batteries, but extra width makes it unable to fit some tools. The batteries work well, but just be aware they are a little wider than the 2 Amp batteries.

### ⭐⭐⭐⭐⭐ Good purchase.
*by N***N on December 31, 2025*

Dewalt batteries. Good quality good deal. Must have.

## 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.tw/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack](https://www.desertcart.tw/products/202210377-dewalt-20v-max-4-ah-lithium-ion-battery-2-pack)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-23*