---
product_id: 609538283
title: "FLEX 24V 5.0Ah Lithium-Ion Battery - FX0121-1"
brand: "flex"
price: "120645 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "Flex"
url: https://www.desertcart.hu/products/609538283-flex-24v-5-0ah-lithium-ion-battery-fx0121-1
store_origin: HU
region: Hungary
---

# 24V Lithium Power Boost Fast Charge in 30-60 Minutes THERMA-TECH Cooling Extends Runtime FLEX 24V 5.0Ah Lithium-Ion Battery - FX0121-1

**Brand:** flex
**Price:** 120645 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your productivity—fast, cool, and unstoppable!

## Quick Answers

- **What is this?** FLEX 24V 5.0Ah Lithium-Ion Battery - FX0121-1 by flex
- **How much does it cost?** 120645 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/609538283-flex-24v-5-0ah-lithium-ion-battery-fx0121-1)

## 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 heat management extends runtime by 25%, keeping you in the zone.
- • **Charge at Lightning Speed:** Rapid 280W charger powers up your battery in just 30 minutes—no downtime.
- • **Built Tough for Any Jobsite:** Shock-resistant, dust and water sealed design means zero interruptions.
- • **Unmatched Power & Efficiency:** 24V Lithium-Ion tech delivers 20% more power for your toughest jobs.
- • **Seamless Compatibility & Control:** Dual-sided fuel gauge and cross-compatible with all FLEX 24V tools keep you informed and connected.

## Overview

The FLEX 24V 5.0Ah Lithium-Ion Battery FX0121-1 combines advanced 24V lithium technology with patented THERMA-TECH cooling to deliver 20% more power and 25% longer runtime. Featuring fast charging options (30-60 mins), a rugged shock, dust, and water-resistant design, and a dual-sided fuel gauge, it ensures maximum uptime and seamless integration with all FLEX 24V tools. Backed by a 5-year limited warranty upon registration, this battery is engineered for professionals who demand reliability and speed on every project.

## 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: Great Brand! - Works great.
Review: Works great - Charges fast great OEM quality!

## 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
- FAST CHARGING - 160W Fast Charger Charge Time: 60 Mins, 280W Rapid Charger Charge Time: 30 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 | B0CV7SVNZZ |
| Batteries | 1 Nonstandard Battery batteries required. (included) |
| Best Sellers Rank | #60,623 in Automotive ( See Top 100 in Automotive ) #272 in Automotive Replacement Batteries |
| Customer Reviews | 4.6 4.6 out of 5 stars (90) |
| Date First Available | January 1, 2024 |
| Department | All Ages |
| Item Weight | 2.2 pounds |
| Item model number | FX0121-1 |
| Manufacturer | FLEX |
| Product Dimensions | 5.2 x 3.5 x 2.1 inches |

## Product Details

- **Battery Capacity:** 5 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** FLEX
- **Number of Batteries:** 1 Nonstandard Battery batteries required. (included)
- **Recommended Uses For Product:** Flex 24V tools

## Images

![FLEX 24V 5.0Ah Lithium-Ion Battery - FX0121-1 - Image 1](https://m.media-amazon.com/images/I/714bQxslyGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Brand!
*by B***N on October 19, 2025*

Works great.

### ⭐⭐⭐⭐⭐ Works great
*by V***G on May 30, 2025*

Charges fast great OEM quality!

### ⭐⭐⭐⭐⭐ Exactly as advertise
*by K***D on June 15, 2025*

Flex is awesome this is exactly what's advertised will definitely be purchasing more in the future

## Frequently Bought Together

- FLEX 24V 5.0Ah Lithium-Ion Battery - FX0121-1
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**Shop now:** [https://www.desertcart.hu/products/609538283-flex-24v-5-0ah-lithium-ion-battery-fx0121-1](https://www.desertcart.hu/products/609538283-flex-24v-5-0ah-lithium-ion-battery-fx0121-1)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-27*