---
product_id: 168957745
title: "Enertwist ET-CSA-20B 20V Max 4000mAh Lithium-ion Battery Pack for ET-CS-20C 4-1/2 Inch Cordless Compact Circular Saw"
brand: "enertwist"
price: "€ 5.09"
currency: EUR
in_stock: false
url: https://www.desertcart.ie/products/168957745-enertwist-et-csa-20b-20v-max-4000mah-lithium-ion-battery
store_origin: IE
region: Ireland
---

# 20V power 4000mAh capacity 50 min charge Enertwist ET-CSA-20B 20V Max 4000mAh Lithium-ion Battery Pack for ET-CS-20C 4-1/2 Inch Cordless Compact Circular Saw

**Brand:** enertwist
**Price:** € 5.09
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Power Your Passion with Enertwist!

## Quick Answers

- **What is this?** Enertwist ET-CSA-20B 20V Max 4000mAh Lithium-ion Battery Pack for ET-CS-20C 4-1/2 Inch Cordless Compact Circular Saw by enertwist
- **How much does it cost?** € 5.09 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/168957745-enertwist-et-csa-20b-20v-max-4000mah-lithium-ion-battery)

## Best For

- enertwist enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Recharge:** Get back to work in just 50 minutes with the Enertwist original charger—no downtime!
- • **Eco-Friendly Power:** Enjoy the benefits of battery-powered convenience while reducing your carbon footprint.
- • **Lightweight Design:** Weighing only 1.33 pounds, this battery pack ensures your saw remains portable and easy to handle.
- • **Perfect Compatibility:** Designed exclusively for the Enertwist ET-CS-20C, ensuring seamless performance and reliability.
- • **Power Up Your Projects:** Unleash the full potential of your Enertwist Circular Saw with a robust 4000mAh lithium-ion battery.

## Overview

The Enertwist ET-CSA-20B is a high-capacity 20V Max lithium-ion battery pack designed specifically for the Enertwist ET-CS-20C cordless compact circular saw. With a rapid charge time of just 50 minutes, this lightweight battery ensures you can tackle your projects without interruption. Weighing only 1.33 pounds, it combines power and portability, making it an essential tool for any DIY enthusiast or professional.

## Description

Enertwist 20V Max 4000mAh Lithium-ion Battery Pack for Enertwist ET-CS-20C 4-1/2" Cordless Compact Circular Saw, ET-CSA-20B

## Features

- Compatible only with Enertwist ET-CS-20C Enertwist 20V Max 4-1/2 Inch Cordless Compact Circular Saw Kit
- 20V Max Li-ion 4.0 Ah (4000mAh) high capacity battery pack
- 50 Minutes rapid charge time with Enertwist orginal charger
- Battery Only - Charger Available with the cordless compact circular saw kit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ENERTWIST |
| Item Weight | 1.33 pounds |
| Product Dimensions | 4.5 x 3.1 x 3 inches |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Size | Small |
| Color | Orange |
| Style | Circular Saw Battery |
| Material | Plastic, Meatal |
| Power Source | battery-powered |
| Voltage | 20 Volts |
| Item Package Quantity | 1 |
| Blade Length | 4.5 Inches |
| Certification | csa |
| Included Components | Battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 4000 Milliamp Hours |

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Brand:** ENERTWIST
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 4000 Milliamp Hours
- **Unit Count:** 1 Count

## Images

![Enertwist ET-CSA-20B 20V Max 4000mAh Lithium-ion Battery Pack for ET-CS-20C 4-1/2 Inch Cordless Compact Circular Saw - Image 1](https://m.media-amazon.com/images/I/61oo1lOE-GL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ie/products/168957745-enertwist-et-csa-20b-20v-max-4000mah-lithium-ion-battery](https://www.desertcart.ie/products/168957745-enertwist-et-csa-20b-20v-max-4000mah-lithium-ion-battery)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-27*