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POWEREX MH-4AAI-BH 2400mAh 4-pack AA IMEDION Pre-Charged and Ready-to-use Rechargeable Batteries

  • 4-pack 2400mAh AA Ni-MH
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The POWEREX MH-4AAI-BH AA rechargeable batteries are a great and affordable choice for your digital devices, including the high power consumption devices such as camera and gaming devices. This 2400mAh battery is rechargeable up to 1000 times, making your money a long term investment. It can be stored for an extended period of time without substantial loss of power, so you will never find your batteries to be low after storage. Thanks to the pre-charged policy, this battery is ready to use, offering you an out-of-package solution.

  • newegg High Performance The POWEREX MH-4AAI-BH AA rechargeable batteries can retain up to 85% of charge after one year of storage, so you can enjoy an extended period of storage without substantial loss of power.
  • newegg 1000 Recycle Times The POWEREX MH-4AAI-BH AA rechargeable batteries features 2400mAh ultra high capacity and rechargeable cycles of up to 1000 times, saving your money and protecting the environment.

Learn more about the Maha Energy Corp. MH-4AAI-BH

Model

Brand
POWEREX
Model
MH-4AAI-BH

Specifications

Type
Rechargeable Batteries
Battery Pack
4-pack
Battery Type
AA Ni-MH
Battery Capacity
2400mAh
Battery Voltage
1.2V

Feature

Feature
Pre-charged and ready to use out-of-package.

Retains up to 85% of charge after one year of storage.

Can be stored for an extended period of time without substantial loss of power.

Rechargeable up to 1000 times.

Suitable for high drain devices such as digital cameras and gaming devices.

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Maha Energy Corp. MH-4AAI-BH

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  • MICHAEL F.
  • 2/13/2014 1:39:00 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggscrud

Pros: 2 of the 4 batteries that came with the MH-c401fs are still good

Cons: 2 of the other 4 are now indicated as bad, only used slow charge method. tried other sockets on charger to see if maybe the charger was bad. the other sockets gave same results - flashing red light indicating battery is bad

Other Thoughts: can't understand how these got such a high rating

Did you find this review helpful? Yes No

  • David L.
  • 2/10/2014 1:11:12 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsNever Buy 'em Again

Pros: Rechargeable
Decent price
Good battery when it works/fits

Cons: These batteries are not standard size. I had to almost force them into a Directv remote, and then they did not work in that device. They fit so tight (diameter > other batteries) that I had a devil of a time getting them back out. I had to sort of pry them out with a small screwdriver.

They will not power some devices, which may be due to the smaller terminal post described in other reviews. In addition to the remote I mentioned above, they also will not power a beard trimmer I have. Put regular alkaline batteries in it and it's good to go.

I also have to monkey with them to make contact with my Energizer charger. Maybe that's my fault (for having an Energizer charger), but I assumed any rechargeable battery would work with it.

Did you find this review helpful? Yes No

  • Chris G.
  • 10/27/2013 9:44:50 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat batteries

Pros: Recharge fast and hold the charge unlike earlier versions. Been using these for a few years and still have my orginal ones that work great. Power all of my son's toys and mine.

Cons: Expensive

Other Thoughts: Expensive but in the long run they save me money.

Did you find this review helpful? Yes No

  • Rob G.
  • 12/26/2010 11:20:56 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsI've been very pleased with these

Pros: They do what they say -- they hold their charge for extended periods with low self-discharge

They are conservatively rated at 2400mah -- they really hold 2500 or more

They have apparently fixed the terminal length issues others have complained about as mine have been fine

Cons: None to date

Other Thoughts: I've really been very pleased with these with my LaCrosse BC-700 charger

I also own Eneloops and these work as well but hold more power

Did you find this review helpful? Yes No

  • Anonymous
  • 6/28/2010 10:24:47 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBest and most solid product of its kind

Pros: -Solid output
-Reliable
-Awesome ability to hold a charge
-Durable

Cons: -Wrapping can peel a bit through constant use

Other Thoughts: I use these for my Nikon SB-800 flash unit and also my D300 8cell battery grip insert. They get constant use and never give up. Also the beauty of their ability to hold the majority of their charge for at least a year makes them indespensible. I wouldn't use anything else. I also own about 24 of these cells. Use them in our wiimotes as well. Make sure to get a good charger. Don't cheap out on the very device that needs to keep them working at their most optimum performance!

P.S. Keep in mind these batteries hold up to at least 500 cycles. Now that's getting your monies worth!

Did you find this review helpful? Yes No

  • Anonymous
  • 2/27/2010 4:25:08 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsConsider how you use batteries.

Pros: I had been using other NM-H batteries with a higher rating, 2,700. Then I saw these, rated at 2,100. This mAh rating is the amp hour rating that describes the total battery output power. But it's not that simple. This battery is special among the others, in that it really can hold a charge sitting on the shelf. What good is 2,700 if you charge it, then 7 days later it has lost 20%? Then it's no better than a 2,100, or even worse. When I buy batteries, I label them with purchase date. This is good to track really old batteries. Then I charge maybe 8 or 12, and put them in a jar labeled 'charged'. They are ready to go. Another jar for 'needs charge'. My charger does four at a time. It stinks to pull out what you think are 8 charged batteries, find out half the charge is gone, and have to recharge them again. Also, without two chargers, this takes time. These IMEDION batteries do what they say. A month goes by, but they are still ready.

Cons: I can't think of any cons I've run into with these. If I really get 500 or more cycles I'll be very happy. That's something else to consider. Do those other 2,700 mAh batteries still deliver that rating after three or four hundred cycles?

Other Thoughts: Some people have said these batteries are expensive. For the performance, I think they are an outstanding value. Do the math. Look at what best quality AA alkaline batteries cost. Then multiply that times 300 (at least what you'll get in charge cycles with these IMEDION's). What's the number look like? Now tell me these batteries are expensive!

Did you find this review helpful? Yes No

  • E C.
  • 12/30/2009 4:25:32 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsMAHA Update

Pros: I talked to MAHA about the terminal problem, and they said that this had been corrected. Looks like I got some old stock. You might want to wait a while to buy so the problem cells can work out of the system.

Cons: None anymore

Other Thoughts: Tech support from these people is some of the best.

2 out of 2 people found this review helpful. Did you? Yes No

  • E C.
  • 12/24/2009 5:19:41 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsAgain, Problems in Some Devices

Pros: Every bit as good as Eneloops and top quality from MAHA. They hold their charge and they last longer than regular NiMH

Cons: Big problems with the short + terminal post. I have three different electronics (an Ebook and two radios), all brand new, and none of them will make the contact and work.

Other Thoughts: I haven't seen this contact problem in 40 years back when most NiCads had these problems. It is very unfortunate that such high quality cells have such a glaring defect.

When they do work, they are superb.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 11/6/2009 12:48:37 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGreat Batteries; Not compatible with a few devices

Pros: These are incredible batteries. As far as low-self-discharge rechargeables goes, it's either these or Sanyo Eneloops. (It's rumored that if you find the Duracell pre-charged rechargeables with the white ring around the + terminal button, those are actually Eneloops, too. I've had good luck with them.)

Cons: In order to get more capacity into these guys, Powerex lengthened the body of the battery, and so the + terminal button is shorter than most other batteries. The result? They work in most devices. But many things are designed to prevent batteries from being inserted the wrong way, and they depend on the button sticking into a recessed slot to make contact with the + terminal.

The bottom line is that if I put these into an old Sony radio I have, the batteries don't work. They work great in my Nikon flash, though -- and most of the other gadgets I have.

2 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 11/6/2009 12:47:37 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGreat Batteries; Not compatible with a few devices

Pros: These are incredible batteries. As far as low-self-discharge rechargeables goes, it's either these or Sanyo Eneloops. (It's rumored that if you find the Duracell pre-charged rechargeables with the white ring around the + terminal button, those are actually Eneloops, too. I've had good luck with them.)

Cons: In order to get more capacity into these guys, Powerex lengthened the body of the battery, and so the + terminal button is shorter than most other batteries. The result? They work in most devices. But many things are designed to prevent batteries from being inserted the wrong way, and they depend on the button sticking into a recessed slot to make contact with the + terminal.

The bottom line is that if I put these into an old Sony radio I have, the batteries don't work. They work great in my Nikon flash, though -- and most of the other gadgets I have.

1 out of 1 people found this review helpful. Did you? Yes No

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