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Imedion AA 2400mAh NiMH Rechargeable Batteries, 4-Pack

by Maha
| 2 answered questions

List Price: $16.95
Price: $12.95 & FREE Shipping on orders over $35. Details
You Save: $4.00 (24%)
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  • No more finding your batteries to be low on charge when you want use them
  • 2400 mAh ultra high capacity
  • Compatible with existing NiMH chargers
18 new from $10.00 2 used from $11.42

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Frequently Bought Together

Imedion AA 2400mAh NiMH Rechargeable Batteries, 4-Pack + PowerEx "Ready When You Are" AAA [NEW! 950mAh] NiMH Rechargeable Batteries - 4 Batteries Per Pack + La Crosse Technology BC-700 Alpha Power Battery Charger
Price for all three: $58.92

Buy the selected items together


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  • Buy Used and Save: Buy a Used "Imedion AA 2400mAh NiMH Rechargeable Batteries, 4-..." and save 32% off the $16.95 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

  • Brand Name: Maha
  • Model: MHR-AA14
  • Item Weight: 0.25 pounds

Product Details

  • Item Weight: 4 ounces
  • Shipping Weight: 5 ounces (View shipping rates and policies)
  • ASIN: B003LWMZ5M
  • Item model number: MHR-AA14
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (96 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: October 2, 2001

Product Description

IMEDION batteries retain up to 85% of its charge even after one year of storage. IMEDION batteries can be recharged for hundreds of times and perform extraordinarily well at elevated temperatures. Includes a free battery carrying case. Fully compatible with all Powerex chargers. IMEDION batteries can be stored for an extended period of time without substantial loss of power and are ready to use out-of-package.

Customer Questions & Answers

Customer Reviews

For all practical purposes both are excellent.
NLee the Engineer
Very low self discharging rate, high 2400 mah, couple hundred to a thousand times of charge cycles.
Glen
They hold their charge for a very long time after being charged.
Dan Moseley

Most Helpful Customer Reviews

Ordinary 'high-capacity' NiMH cells typically advertise charge capacity of 2500-2700mAh (for AA), but they all suffer from rapid self discharge problems. That is why I switched over to low-self-discharge (also called 'Pre-Charged') rechargeable batteries more than four years ago, starting from the original SANYO eneloop. Over the years I have tested many other name-brand LSD cells such as Rayovac Hybrid and Kodak Pre-Charged, all with great results.

The only drawback of LSD cells is lower capacity. First-generation LSD cells are typically rated at 2000-2100mAh. Recently, I have seen arrival of second-generation LSD cells with higher capacity, such as these IMEDION AA 2400 mAh low self-discharge batteries. Here are my test results, using the La Crosse BC-900 battery Charger/Analyzer:

- Right out the package, the average remaining charge is 1880mAh for a set of four Imedion AA cells. This is about 78% of the rated capacity, which suggests those are indeed low-self-discharge type (ordinary NiMH cells typically arrive exhausted)

- After just one Charge/Discharge cycle, the average capacity improved to 2455mAh, or 2% higher than rated capacity. This number remains the same in subsequence cycles.
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17 of 17 people found the following review helpful By Sam on December 26, 2009
The charging and quality aspects have been covered in great detail and I have nothing to add there. Just be aware that these cells have a slightly shorter + terminal than is usual so there will be a few electronics where they will not work. I have a new Ebook reader and 2 radios where they are a no go so be advised. Some battery compartments can be bent a little to accommodate this problem, others cannot.
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111 of 136 people found the following review helpful By F. kar Keat on March 26, 2009
As I googled the Internet and Forums, I found mixed result, some people claims Eneloop performs better, and some claims otherwise. Therefore I decided to do an experiment on both of these batteries to find out which one is a BETTER PERFORMER and better for investment.

Objective: To find out the better performer battery

Items:
1. Four pieces of Sanyo Eneloop AA 2000mAh NiMH Battery
2. Four pieces of PowerEx Imedion AA 2100mAh NiMH Battery
3. Nikon Speedlight SB-800
4. Remote Flash Trigger
5. Process recording device (Sony DSC-P10)

Methodology:
1. Fully Charge the battery
2. Insert battery into Nikon Speedlight SB800
3. Nikon Speedlight SB-800 set to M 1/4 -oEV
4. Fire the Speedlight as soon as it is ready (when the red light is on)
5. Repeat step #3 until the battery is completely depleted
6. Record the following:
a. X number of shots per minute after X number of shots
b. Total shots per charge
7. Repeat the process with next set of battery

To ensure both battery both are in identical optimal condition, I bought both new set of Eneloop and Imedion. Both sets are new and fully charged for 8 hours as recommended by manufacturer for initial use with the same PowerEx MH-C204W Travel Charger before begin the test.

Please refer to the graph my site.

I started off with Eneloop with a recorded blazing fast 60 round per minute (rpm). It drops to 53rpm after the first 100 shots, and then it drops further to 52rpm after 200 shots. It stabilized at average of 45rpm from 300 shots to 1300 shots. It drops to 39rpm at 1400 shots and drops further to 37rpm after 1500 shots. Finally it drops sharply but still managed to squeeze a total recorded 1564 shots.
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8 of 8 people found the following review helpful By Dr. B on April 25, 2012
Verified Purchase
I bought two sets of these batteries just a little over a year ago and at first they seemed great. They had the highest capacity of any NiMH batteries that I have owned. They averaged a little over 2300 mAh with the lowest being 2270. The battery states the minimum is 2250 mAh. Also I've read that my charger prematurely ends the charging cycle on low self discharge batteries so that probably explains the less than rated charges. This was more than acceptable though because they easily outlasted my eneloops in my police scanner, which is what I bought these for. I only listen to it over the weekend, usually around 16 hours a day for three days. With the eneloops two sets of batteries wouldn't quite make it the whole way and usually would die a couple of hours before I needed them to (usually got around 23 hours of use out of each set). With these Imedions I was getting over 54 hours of use out of my scanner (more than 27 hours per set). About ten months after I started using these batteries I noticed they were slowly starting to go dead sooner than they had previously. I used the "break in" function on my charger and that seemed to help for a few weeks. Then they once again start to slowly die sooner. Now I'm lucky to get 23 hours of use out of each set which is about the same as I was getting with the eneloops. Testing the batteries confirms that I'm barely getting 2000 mAh of charge with the batteries now, which is the same as with my eneloops. My eneloops are over two years old and have shown no such degradation. They've been charged less than 100 times and I always use a charge rate of 800 mA or less so I don't believe I've damaged the batteries.Read more ›
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