---
product_id: 658424362
title: "LBF Button Top 3.7V 5000mAh(21 * 75 not 18 * 65) Rechargeable Battery Type-C Input/Output Protection Circuit Built-in Large Capacity 3.6V Replacement Battery for Flashlight, Headlamps etc 2 Pack"
brand: "lbf"
price: "AR$105840"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/658424362-lbf-button-top-3-7v-5000mah-21-75-not-18
store_origin: AR
region: Argentina
---

# Type-C input/output fast charging 5000mAh high capacity Built-in 6-fold protection circuit LBF Button Top 3.7V 5000mAh(21 * 75 not 18 * 65) Rechargeable Battery Type-C Input/Output Protection Circuit Built-in Large Capacity 3.6V Replacement Battery for Flashlight, Headlamps etc 2 Pack

**Brand:** lbf
**Price:** AR$105840
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter, last longer, and stay safe—because your gear deserves the best.

## Quick Answers

- **What is this?** LBF Button Top 3.7V 5000mAh(21 * 75 not 18 * 65) Rechargeable Battery Type-C Input/Output Protection Circuit Built-in Large Capacity 3.6V Replacement Battery for Flashlight, Headlamps etc 2 Pack by lbf
- **How much does it cost?** AR$105840 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/658424362-lbf-button-top-3-7v-5000mah-21-75-not-18)

## Best For

- lbf enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** 5000mAh capacity delivers extended runtime for your flashlights and headlamps—stay illuminated longer than ever.
- • **Built-In Safety Shield:** Advanced 6-layer protection guards against overcharge, short circuit, and temperature spikes—peace of mind in every charge.
- • **Fast & Flexible Charging:** Type-C input/output lets you recharge quickly and even power your phone on the go—dual-purpose convenience.
- • **Perfect Fit for Pro Gear:** Sized 21.5x75.2mm (not 18x65) to fit high-performance flashlights, headlamps, and emergency devices—upgrade your essentials.
- • **Eco-Friendly Rechargeability:** Recharge over 1000 times with zero memory effect—ditch disposable batteries and join the sustainable power movement.

## Overview

The LBF Button Top 3.7V 5000mAh rechargeable battery features a large 5Ah capacity with Type-C input/output for fast charging and device powering. Its built-in 6-fold protection circuit ensures safety against overcharge, short circuit, and temperature issues. Designed for professional-grade flashlights, headlamps, and emergency gear, this 2-pack battery supports over 1000 recharge cycles, offering eco-friendly, reliable power in a slightly larger 21.5x75.2mm form factor.

## Description

Full description not available

## Features

- 【Battery Specification】 Battery type: (21*75 not 18*65) Button Top PCB Protection Circuit Built-In, Capacity: 5000mAh(5Ah), Wh Rating: 18.5Wh, Voltage: 3.7V, Size: 21.5*75.2mm(0.85*2.96 inches), Feature:Type-C Input/Output, Quantity: 2 Pack.
- 【Rechargeable 1000+ Times】 A single 3.6 Volt rechargeable battery can recharge up to 1000 charging and discharging cycles and no memory effect. Replace 1000+ disposable alkaline batteries, reduce the waste of resources and good value for the money.
- 【Large Capacity】 LBF 3.7V battery with a capacity of 5000mAh and voltage of 3.7V, high capacity battery with low self discharge rate, high power consumption, high energy density and pollution-free design, No need to charge batteries frequently.
- 【Applicable Device】LBF 21750 battery for led flashlights, headlights, bicycle lights, emergency lights, work lights, loudspeakers, Instrumentation. The USB-C Input/Output battery can be used as an emergency power bank to charge your phone or other devices. It's 21.5*75.2mm, not 21*70mm. Please check whether it is the battery you need before purchasing.
- 【Secure and Reliable】The highest quality, the happiest customer. LBF Protection Circuit Built-In Battery features six types of protection, including temperature, short circuit, overcharge, and overcurrent protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Dimensions | 0.85 x 0.85 x 2.96 inches |
| Battery Weight | 0.14 Pounds |
| Unit Count | 2.0 Count |
| Battery Cell Type | Lithium Ion |
| Recommended Uses For Product | Toys, Flashlight, Headlamp |
| Reusability | Rechargeable |
| Battery Capacity | 5 Amp Hours |
| Amperage | 10 Amps |
| Voltage | 3.7 Volts |

## Product Details

- **Number of Batteries:** 2 Lithium Ion batteries required. (included)
- **Brand:** LBF
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 5 Amp Hours
- **Recommended Uses For Product:** Flashlight, Headlamp, Toys

## Images

![LBF Button Top 3.7V 5000mAh(21 * 75 not 18 * 65) Rechargeable Battery Type-C Input/Output Protection Circuit Built-in Large Capacity 3.6V Replacement Battery for Flashlight, Headlamps etc 2 Pack - Image 1](https://m.media-amazon.com/images/I/61R2Z+z+uhL.jpg)

## Frequently Bought Together

- Button Top 3.7V 5000mAh(21*75 not 18*65) Lithium-ion Rechargeable Battery Type-C Input/Output Protection Circuit Built-In Large Capacity 3.6V Replacement Battery for Flashlight, Headlamps etc 2 Pack
- EBL Smart Rapid Battery Charger for Rechargeable 3.7V/3.6V Li-ion IMR Batteries 26650 18650 21700 14500 16340(RCR123), Ni-MH/Ni-Cd AA AAA C Batteries, Upgraded

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**Shop now:** [https://www.desertcart.com.ar/products/658424362-lbf-button-top-3-7v-5000mah-21-75-not-18](https://www.desertcart.com.ar/products/658424362-lbf-button-top-3-7v-5000mah-21-75-not-18)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-20*