---
product_id: 28635222
title: "Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power"
brand: "voicebooster speak out"
price: "₩65406"
currency: KRW
in_stock: true
reviews_count: 4
url: https://www.desertcart.kr/products/28635222-voicebooster-speak-out-replacement-battery-for-large-voicebooster-and-aker
store_origin: KR
region: South Korea
---

# Fast charging tech Long cycle life 7.4V 2000mAh power Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power

**Brand:** voicebooster speak out
**Price:** ₩65406
**Availability:** ✅ In Stock

## Summary

> 🔊 Power your voice, own the room.

## Quick Answers

- **What is this?** Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power by voicebooster speak out
- **How much does it cost?** ₩65406 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/28635222-voicebooster-speak-out-replacement-battery-for-large-voicebooster-and-aker)

## Best For

- voicebooster speak out enthusiasts

## Why This Product

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

## Key Features

- • **Built to Outlast:** Durable battery cycles ensure your amplifier stays energized for countless speaking engagements.
- • **Plug & Play Confidence:** Effortless installation means you’re back to commanding attention in seconds.
- • **Tailored for Big Voices:** Specifically designed for large VoiceBooster & Aker models—no compromises on power.
- • **Unstoppable Power Boost:** Reliable 7.4V 2000mAh battery keeps your voice amplifier roaring all day.
- • **Charge Fast, Speak Longer:** Advanced fast-charging technology minimizes downtime during critical presentations.

## Overview

This 7.4V 2000mAh rechargeable battery is engineered for large VoiceBooster and Aker voice amplifiers, delivering fast charging, long cycle life, and reliable power to keep your presentations uninterrupted and your voice amplified with confidence.

## Description

Full description not available

## Features

- POWERFUL RECHARGEABLE BATTERY: This 7.4V 2000mAh rechargable battery delivers reliable power and long cycle life for VoiceBooster and Aker voice amplifier models 12 watts or larger. Only one is needed per amplifier.
- REPLACEMENT BATTERY FOR LARGE AMPLIFIERS: Designed for MR1505, MR1700, MR2100, MR2200, MR2300, MR2505, MR2700, MR2800, MRAK28, MRAK38, MR160; not for MR1506, MR2506, MR1508, or MR100 models.
- HIGH PERFORMANCE AND FAST CHARGING: This solo rechargeable battery offers smart enhancements for wireless outdoor presentations, ensuring your voice amplifier runs strong with fewer interruptions.
- EASY INSTALLATION WITH RELIABLE POWER: Simple to install and built to last—this battery offers a long cycle life and restores your portable amplifier’s full power for confident public speaking and daily communication.
- DURABLE BATTERY FOR VOICE AMPLIFIERS: Enjoy a dependable 2000mAh cycle life for your audio devices; ideal for large amplifier units needing a strong, rechargable power source for outdoor and indoor use.

## Product Details

- **Brand:** Voicebooster Speak Out
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 2000 Milliamp Hours
- **Recommended Uses For Product:** Indoor/Outdoor
- **Unit Count:** 1.0 Count

## Images

![Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power - Image 1](https://m.media-amazon.com/images/I/61NQ8nmb-DL.jpg)
![Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power - Image 2](https://m.media-amazon.com/images/I/71ZocELgmyL.jpg)
![Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power - Image 3](https://m.media-amazon.com/images/I/71gGNqQrUWL.jpg)
![Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power - Image 4](https://m.media-amazon.com/images/I/71MqEDtMMHL.jpg)
![Voicebooster Speak Out Replacement Battery for Large VoiceBooster & Aker Voice Amplifiers - 7.4V 2000mAh Rechargeable Battery – Long Life, Fast Charging and Reliable Power - Image 5](https://m.media-amazon.com/images/I/81weOLJYxQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by K***E on Reviewed in the United States on October 14, 2016*

Does what it says.

### ⭐ 1.0 out of 5 stars







  
  
    Definitely not for Akers
  

*by P***" on Reviewed in the United States on July 23, 2022*

Did they want us to cut into our Aker 1506 to fit this thing?? It’s huge! Yes it’s a lot more power… but I don’t want to take apart my Aker just to run it.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Five Stars
  

*by 2***S on Reviewed in the United States on January 17, 2016*

Great Product

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**Shop now:** [https://www.desertcart.kr/products/28635222-voicebooster-speak-out-replacement-battery-for-large-voicebooster-and-aker](https://www.desertcart.kr/products/28635222-voicebooster-speak-out-replacement-battery-for-large-voicebooster-and-aker)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-04*