---
product_id: 612772479
title: "24V 12.0Ah Lithium-Ion Battery - FX0231-1"
brand: "flex"
price: "€ 550.83"
currency: EUR
in_stock: true
reviews_count: 9
category: "Flex"
url: https://www.desertcart.gr/products/612772479-24v-12-0ah-lithium-ion-battery-fx0231-1
store_origin: GR
region: Greece
---

# 24V Lithium Power Boost THERMA-TECH Heat Management Up to 50% Faster Charging 24V 12.0Ah Lithium-Ion Battery - FX0231-1

**Brand:** flex
**Price:** € 550.83
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your productivity with FLEX 24V – where endurance meets intelligence!

## Quick Answers

- **What is this?** 24V 12.0Ah Lithium-Ion Battery - FX0231-1 by flex
- **How much does it cost?** € 550.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/612772479-24v-12-0ah-lithium-ion-battery-fx0231-1)

## Best For

- flex enthusiasts

## Why This Product

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

## Key Features

- • **Stay Cool, Work Longer:** THERMA-TECH cooling extends runtime by 25%, so your battery never overheats under pressure.
- • **Unmatched Power Output:** 24V Lithium-Ion tech delivers 20% more driving force for your toughest jobs.
- • **Charge at Lightning Speed:** Fast and rapid charging options get you back to work in as little as 75 minutes.
- • **Built Tough for Any Jobsite:** Shock-resistant, dust and water sealed design means no downtime from accidental drops or harsh conditions.
- • **Smart Fuel Gauge & Lock System:** Dual-sided battery indicator plus secure locking prevents accidental disconnects during use or charging.

## Overview

The FLEX 24V 12.0Ah Lithium-Ion Battery FX0231-1 combines advanced 24V lithium technology with patented THERMA-TECH cooling and POWER IQ management for superior power, longer runtime, and faster charging. Engineered for durability with shock, dust, and water resistance, it features a dual-sided fuel gauge and secure locking system. Compatible across all FLEX 24V tools and backed by a 5-year limited warranty upon registration, this battery is the professional’s choice for high-powered cordless tools.

## Description

The FLEX 24V Lithium battery platform brings power output to the next level. It combines intelligent battery management with THERMA-TECH™ cooling technology to deliver a driving force that's up to 20% higher than anything you've already seen out there.

Review: Battery works great - Good quality battery
Review: Great for high powered tools. - This battery is amazing. It feels like it lasts forever and is my go to battery for my higher powered tools like the grinder and circular saw. It is heavy and bulky but it's worth it for the high power tools compared to swapping the smaller ones nonstop.

## Features

- THE FLEX ADVANTAGE - 24V Lithium Technology
- THERMA-TECH HEAT MANAGEMENT - Innovative cooling system minimizes heat for 25% longer runtime
- POWER IQ - Intelligent power management monitors and optimizes the cells for overload protection and higher power
- DROP, DUST, AND WATER RESISTANT - Engineered with a shock-resistant design and sealed electronics
- PATENTED DUAL-SIDED FUEL GAUGE - Quickly view battery charge from multiple angles
- FASTER CHARGING - Up to 50% faster charging - 160W Fast Charger Charge Time: 140 Mins, 280W Rapid Charger Charge Time: 75 Mins
- BATTERY LOCK SYSTEM - Durable design prevents accidental disconnection during recharging
- FLEX 24V CROSS-COMPATIBILITY - Compatible with all FLEX 24V batteries, chargers, and tools
- FLEX 5-YEAR LIMITED WARRANTY - Register your new FLEX tool, battery, or charger within 30 days of purchase to receive a 5-year limited warranty; 3-year limited warranty without registration

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CV7K6DX1 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Capacity | 12 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #83,405 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #746 in Cordless Tool Battery Packs |
| Color | Grey/Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (134) |
| Date First Available | January 1, 2024 |
| Finish | Brushed |
| Included Components | 12.0Ah Lithium-Ion Battery |
| Item Package Quantity | 1 |
| Item Weight | 4.55 pounds |
| Item model number | FX0231-1 |
| Manufacturer | FLEX |
| Material | Blend |
| Part Number | FX0231-1 |
| Pattern | Solid |
| Power Source | hand_powered |
| Product Dimensions | 5.6 x 3.5 x 3.7 inches |
| Shape | Rectangular |
| Size | 12.0Ah |
| Style | 12.0Ah Lithium-Ion |
| Voltage | 24 Volts |
| Warranty Description | Limited Lifetime Warranty with Registration |

## Product Details

- **Battery Capacity:** 12 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** FLEX
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![24V 12.0Ah Lithium-Ion Battery - FX0231-1 - Image 1](https://m.media-amazon.com/images/I/613w-x-9jQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Battery works great
*by T***M on January 4, 2026*

Good quality battery

### ⭐⭐⭐⭐⭐ Great for high powered tools.
*by T***Y on October 23, 2025*

This battery is amazing. It feels like it lasts forever and is my go to battery for my higher powered tools like the grinder and circular saw. It is heavy and bulky but it's worth it for the high power tools compared to swapping the smaller ones nonstop.

### ⭐⭐⭐⭐⭐ Awesome battery
*by A***R on January 8, 2026*

Awesome battery, I want to purchase more!!! I am building my own home. Dang good batteries with a very long charge! They last all day long.

## Frequently Bought Together

- FLEX 24V 12.0Ah Lithium-Ion Battery - FX0231-1
- FLEX 24V Brushless Cordless 7-1/4-Inch Rear Handle Circular Saw Kit with 10.0Ah Stacked Lithium Battery and 280W Rapid Charger - FX2141R-1J
- FLEX 24V Brushless Cordless 5-Inch 10,000 RPM Variable Speed Paddle Switch Angle Grinder Tool Only, Battery and Charger Not Included - FX3171A-Z

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**Shop now:** [https://www.desertcart.gr/products/612772479-24v-12-0ah-lithium-ion-battery-fx0231-1](https://www.desertcart.gr/products/612772479-24v-12-0ah-lithium-ion-battery-fx0231-1)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-04-25*