---
product_id: 4099364
title: "Powerex MHR84VI Imedion 8.4V 250mAh 1-Pack Rechargeable Battery"
brand: "powerex"
price: "R24"
currency: ZAR
in_stock: false
reviews_count: 8
url: https://www.desertcart.co.za/products/4099364-powerex-mhr84vi-imedion-8-4v-250mah-1-pack-rechargeable-battery
store_origin: ZA
region: South Africa
---

# 8.4V Voltage 250mAh Capacity 1000x Rechargeable Powerex MHR84VI Imedion 8.4V 250mAh 1-Pack Rechargeable Battery

**Brand:** powerex
**Price:** R24
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Life with Reliability!

## Quick Answers

- **What is this?** Powerex MHR84VI Imedion 8.4V 250mAh 1-Pack Rechargeable Battery by powerex
- **How much does it cost?** R24 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/4099364-powerex-mhr84vi-imedion-8-4v-250mah-1-pack-rechargeable-battery)

## Best For

- powerex enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Power:** Rechargeable NiMH technology reduces waste and saves you money!
- • **Pre-Charged & Ready:** Comes pre-charged, so you can start using it right out of the box!
- • **Compact & Lightweight:** Perfectly portable at just 3.2 ounces—power on the go!
- • **Versatile Compatibility:** Works seamlessly with Powerex's top chargers for ultimate convenience.
- • **Long-Lasting Performance:** Retains 85% capacity after a year—stay powered up longer!

## Overview

The Powerex MHR84VI Imedion 8.4V 250mAh Rechargeable Battery is a high-performance, eco-friendly power solution designed with Nickel-Metal Hydride (NiMH) chemistry. It boasts a voltage of 8.4V and a capacity of 250mAh, ensuring long-lasting energy for your devices. Compatible with Powerex's MH-C1090F and MH-C490F chargers, this battery can be recharged up to 1000 times and retains 85% of its charge even after a year of storage. Compact and lightweight, it's the perfect choice for professionals on the go.

## Description

The Powerex MHR84VI IMEDION "Ready When You Are!" Rechargeable NiMH Battery (8.4V, 250mAh) is a nickel-metal hydride battery compatible with Powerex's MH-C1090F 10-Bank Charger or MH-C490F Stealth Charger. It is rated at a voltage of 8.4V and a capacity of 250mAh, with a minimum capacity of 230mAh. The battery is capable of being stored for an extended period of time and still retaining a full or nearly full charge. After a year, for instance, it will retain 85% of its capacity. The battery comes pre-charged. The purchase of an NiMH battery like this one saves you money, since you won't need to buy endless supplies of non-rechargeable alkaline batteries.

## Features

- Nickel-Metal Hydride (NiMH) Chemistry
- Voltage of 8.4V and a capacity of 250mAh, with a minimum capacity of 230mAh
- Compatible with Powerex's MH-C1090F 10-Bank Charger or MH-C490F Stealth Charger
- Capable of being stored for an extended period of time and still retaining a full or nearly full charge. After a year, for instance, they will retain 85% of their capacity
- Come pre-charged and can be recharged up to 1000 times

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Reusability | Rechargeable |
| Battery Capacity | 250 Milliamp Hours |
| Voltage | 8.4 Volts |
| Item Dimensions | 3.5 x 0.75 x 5 inches |
| Item Weight | 3.2 ounces |
| Unit Count | 1.0 Count |
| Battery Cell Type | NiMH |

## Product Details

- **Number of Batteries:** 1 9V batteries required. (included)
- **Brand:** Powerex
- **Battery Cell Composition:** NiMH
- **Battery Capacity:** 250 Milliamp Hours
- **Unit Count:** 1.0 Count

## Images

![Powerex MHR84VI Imedion 8.4V 250mAh 1-Pack Rechargeable Battery - Image 1](https://m.media-amazon.com/images/I/71-RF+PCNRL.jpg)

## Questions & Answers

**Q: Are these bigger than alkaline 9v batteries? I've heard Tenergy Centura 9v are slightly bigger than alkaline 9v.**
A: The 8.4V Maha measures 44.6mm/47.5mm (the 1st dimension is the to bottom to the top of the battery case and the 2nd is the bottom to the top of the terminals) x 25.8mm x 16.0mm. I can also supply the measurements for Maha PowerEx Imedion 230 mAh 9.6V (http://www.amazon.com/Maha-PowerEx-IMEDION-Rechargeable-Battery/dp/B0045KJ0Q6/ref=sr_1_8?s=electronics&ie=UTF8&qid=1390868794&sr=1-8). The Maha 9.6V measures 44.9mm/48.0mm x 25.6mm x 16.1mm. For comparison, a standard Duracell alkaline measures 44.0mm/ 47.7mm x 25.8mm x 16.6mm. A Tenergy 250mAh measures 45.0mm/47.5mm x 26.0mm x 16.3mm. An Ansmann 250mAh 8.4V measures 45/6mm/48.0mm x 26.2mm x 16.0mm. Note that the Ansmann I have has been discontinued and replaced with both a physically larger style and a "slim line" that is supposed to fit in anything that is "size-sensitive" (anything that requires regular 9V alkaline dimensions). Also note that the Ansmann and Tenergy I measured are wider in width near the top terminal-end of the battery by 0.2-0.3mm when compared to the middle of the battery. For example, measuring the width of the Ansmann results in 26.2mm versus the top near the terminals at 26.4mm. The Duracell only varies by 0.1mm.

**Q: Is this the same as the Empi?**
A: seems to be. I have no problem.

## Customer Reviews

### ⭐⭐⭐⭐⭐ I use these in my Fluke equipment
*by N***L on May 8, 2012*

I chose the 8.4V version of this battery since the voltages seen by this battery are closer to the voltages seen by alkaline batteries --- When charged I am typically seeing 9.5 - 9.6 volts from these cells. The 9.6V version of this battery will see voltages when fully charged that I just don't trust in my expensive test equipment. It is also important to keep in mind that even the rated 8.4V is plenty of voltage to power most devices, a 9V battery is not considered "dead" until it hits about 6-7V. One advantage of NiMH rechargable cells is that they will maintain a relatively high voltage until they are dead (and it is a sudden drop when they run out of energy). Alkaline batteries start at a higher voltage and then gradually drop in voltage through their entire use. Will this battery last as long as a disposable alkaline? Pobably not. Energizer 9v batteries are rated for 625mAh, these batteries are rated at 250mAh -- Just keep in mind that these batteries will maintain a steady voltage for the entire 250mAh, the energizer will not maintain voltage for it's entire 625mAh. I think in many devices, you will see about half the capacity per charge from these vs. a disposable alkaline, depending on the device your results may be better.My reason for using rechargeable batteries in this equipment is not so much based on the idea that I'm saving alot of money, it will take me some time to actually see a cost benefit from this purchase... I chose to replace ALL alkaline batteries in my expensive devices with low self discharge (LSD) NiMH batteries based on the fact that these batteries will not leak like alkalines can if left in equipment over long periods of time, I use Eneloop cells for my AA and AAA needs and have purchased both these for my 9V uses. Just one prevented battery leak in my equipment will pay for the switch to these batteries, the ability to reuse them is just a bonus for me.

### ⭐⭐⭐⭐ Using for Smoke Detectors
*by A***R on December 31, 2013*

Purchased two Imedion batteries, using them for for my smoke detectors, the last charge was good for more than 6 months. The Powerex batteries I purchased previously did not last.

### ⭐ Very Short Lifespan
*by N***8 on July 11, 2023*

I previously purchased several of the older Powerex batteries. They each stopped working after less than 10 recharges.I purchased this newer version in the hopes that they've improved, but I ran into the same problem. After less than 10 recharges, the batteries no longer hold a charge.All were used in a low-drain, room temperature environmentAll were charged on a Powerex C490F chargerI've gone back to using alkaline 9V batteries, which are far more cost effective for me

## Frequently Bought Together

- Powerex MHR84VI Imedion 8.4V 250mAh 1-Pack Rechargeable Battery
- Powerex PRO AA High Capacity Rechargeable NiMH 1.2V, 2700mAh - 16 Batteries With Holders
- Powerex MH-C9000PRO Professional Charger-Analyzer

---

## 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.co.za/products/4099364-powerex-mhr84vi-imedion-8-4v-250mah-1-pack-rechargeable-battery](https://www.desertcart.co.za/products/4099364-powerex-mhr84vi-imedion-8-4v-250mah-1-pack-rechargeable-battery)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-16*