---
product_id: 499201348
title: "20V Max 4.0 Ah Rechargeable Lithium-Ion Replacement Battery (20204)"
brand: "wen"
price: "VT21042"
currency: VUV
in_stock: true
reviews_count: 3
category: "Wen"
url: https://www.desertcart.vu/products/499201348-20v-max-4-0-ah-rechargeable-lithium-ion-replacement-battery
store_origin: VU
region: Vanuatu
---

# 4.0 Ah high-capacity power Lithium-ion fade-free cells Compatible with full WEN 20V Max series 20V Max 4.0 Ah Rechargeable Lithium-Ion Replacement Battery (20204)

**Brand:** wen
**Price:** VT21042
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Productivity — Never Stop, Never Slow Down!

## Quick Answers

- **What is this?** 20V Max 4.0 Ah Rechargeable Lithium-Ion Replacement Battery (20204) by wen
- **How much does it cost?** VT21042 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/499201348-20v-max-4-0-ah-rechargeable-lithium-ion-replacement-battery)

## Best For

- wen enthusiasts

## Why This Product

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

## Key Features

- • **Fade-Free Power:** Lithium-ion technology ensures consistent energy without performance dips.
- • **Cord-Free Freedom:** Cut the cord and power your tools anywhere, anytime with reliable battery backup.
- • **Double Your Runtime:** Keep projects moving with an extra battery ready to swap in instantly.
- • **Compact & Lightweight:** Designed for easy handling and storage without bulk slowing you down.
- • **Seamless Compatibility:** Fits all WEN 20V Max cordless tools for ultimate convenience and versatility.

## Overview

The WEN 20V Max 4.0 Ah Rechargeable Lithium-Ion Replacement Battery delivers fade-free, high-capacity power designed specifically for the WEN 20V Max cordless tool series. With 4 amp-hours of energy, it doubles your runtime, is lightweight for easy handling, and eliminates the need for extension cords, making it an essential upgrade for professionals seeking uninterrupted workflow.

## Description

Remember when you didn’t depend on cords to run your tools? Power your life with a WEN 20V Max Lithium-Ion 4.0Ah Rechargeable Battery. This battery is designed to fit the entire WEN 20V Max series, including model numbers 20107, 20135, 20121, 20401, 20405, 20630, 20625, 20653, 20944, 20496, 20200C, 49120, 49135, and 49120C. Lithium-ion cells create a fade-free power supply that provides 4.0 amp-hours worth of steady and consistent operation. Replace your current battery or add an extra for double the run time, keeping one on the charger and one in the machine. Forget the hassles of extension cords. It’s time to simplify your life with an extra WEN 20V Max Lithium-Ion 2.0Ah Rechargeable Battery.

Review: Great product - it works well, nice size, great for the price.
Review: Great!!!!! - I must say, great battery delivers as i expect. No complaints.

## Features

- Double the run time of your WEN 20V Max Lithium-Ion cordless tool with an extra battery
- Lithium-ion cells provide fade-free performance for your tools
- Provides 4.0 amp hours worth of battery power
- Compact size makes for easy storage and lightweight operation
- Designed for the WEN 20V Max Lithium-Ion Cordless Power Tool Series (compatible model numbers listed in description)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B36LJJ98 |
| Batteries Required? | No |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #551,090 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4,693 in Cordless Tool Battery Packs |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (26) |
| Date First Available | June 4, 2022 |
| Included Components | 20V Max Lithium-Ion 4.0 Ah Rechargeable Replacement Battery |
| Item Package Quantity | 1 |
| Item Weight | 1.57 pounds |
| Item model number | 20204 |
| Manufacturer | WEN |
| Package Dimensions | 4.96 x 3.31 x 3.27 inches |
| Part Number | 20204 |
| Power Source | Battery Powered |
| Voltage | 20 Volts |

## Product Details

- **Battery Capacity:** 4 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** WEN
- **Recommended Uses For Product:** Power Tool
- **Voltage:** 20 Volts

## Images

![20V Max 4.0 Ah Rechargeable Lithium-Ion Replacement Battery (20204) - Image 1](https://m.media-amazon.com/images/I/81oPQ10ZaPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by M***E on March 22, 2025*

it works well, nice size, great for the price.

### ⭐⭐⭐⭐⭐ Great!!!!!
*by C***1 on September 21, 2024*

I must say, great battery delivers as i expect. No complaints.

### ⭐⭐⭐⭐ It Works
*by J***A on January 18, 2024*

What can I say? Its an extra battery for my brad nailer.

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**Shop now:** [https://www.desertcart.vu/products/499201348-20v-max-4-0-ah-rechargeable-lithium-ion-replacement-battery](https://www.desertcart.vu/products/499201348-20v-max-4-0-ah-rechargeable-lithium-ion-replacement-battery)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-04-22*