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PowerEx MH-C9000 WizardOne Charger-Analyzer for 4 AA/AAA Batteries

by Maha
326 customer reviews
| 20 answered questions

List Price: $79.95
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  • Four independent slots for AA or AAA NiMH or NiCd batteries
  • Large backlit LCD
  • Digitally displays battery capacity, voltage, current and time
  • Special forming charge and cycling mode
  • 30 selectable charging and discharging speed
13 new from $51.48 1 used from $45.00
$51.49 & FREE Shipping. Details Only 12 left in stock. Sold by JZS Camera & Electronics and Fulfilled by Amazon.

Frequently Bought Together

  • PowerEx MH-C9000 WizardOne Charger-Analyzer for 4 AA/AAA Batteries
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  • Panasonic BK-3HCCA8BA Eneloop Pro AA High Capacity Ni-MH Pre-Charged Rechargeable Batteries, 8-Pack
Total price: $82.04
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Product Description

Four independent slotsIt's like having four charger-analyzers for AA and AAA NiMH / NiCD batteries.Large backlit LCD displayDigitally displays capacity, voltage, time and current.Endless programming possibilities - over 10,000 ways!29 selectable charging and discharging rate. Charging current from 0.2A to 2.0A and discharging current from 0.1A to 1.0A in 0.1A increments.Five modes of operationCharge: Recharges the battery at the selected rate.Suitable for batteries used frequently.Refresh & Analyze: Charges the battery, rest for one hour, discharge, rest again, then recharges it. Selectable charging and discharging rate. Suitable for batteries stored for more than two weeks but less than 3 month or those showing poor performance.Break-In: Also known as IEC capacity measurement and in.Battery Forming in.. Charges battery at 0.1C for 16 hours, rest for one hour, discharges battery at 0.2C, then recharges again at 0.1C for 16 hours. Suitable for new batteries and those stored for more than 3 month.Discharge: Discharges the battery at the selected rate. Cycle: Performs charge-discharge cycle for up to 12 times with discharge capacity stored in memory. Recharges battery after final cycle.New ways to take care of your batteries and maximize runtime!Battery MatchingIn most devices, usually two or more batteries are used together. When batteries are used in a series, the performance is limited by the worst one. In other words, one poorly performing battery can significantly reduce the device runtime. Battery matching refers to grouping batteries with similar "actual in. capacity. To perform this, use the Refresh & Analyze mode to determine the battery capacity. Group batteries with capacity within about +/- 5 percent of the rated capacity. Battery FormingNew batteries and those stored for extended period become chemically deactivated. Battery forming is a charge-discharge-charge cycle which forces a full charge into the battery at a very slow rate. This process activates th

Product Details

  • Product Dimensions: 6.5 x 4.5 x 4 inches ; 1.4 pounds
  • Shipping Weight: 1.4 pounds (View shipping rates and policies)
  • Item model number: MH-C9000
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (326 customer reviews)
  • Amazon Best Sellers Rank: #3,814 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at October 2, 2001

Customer Reviews

Most Helpful Customer Reviews

1,210 of 1,253 people found the following review helpful By NLee the Engineer HALL OF FAMETOP 50 REVIEWER on September 16, 2007
[Update on Jan 31, 2014]
There is a new contender in the showdown between MH-C9000 and BC-900, the BT-C2000 Battery Charger Tester Analyzer. It combines the best features from both chargers, plus a new 'Quick Test' function. See my review on it for details.

Original review follows
I have a La Crosse Technology BC-900 AlphaPower Battery Charger since nearly two years ago, and I'm very happy with it. When the Maha Powerex MH-C9000 WizardOne Charger-Analyzer was announced, its looked even better on paper than the BC-900. So I also bought the C9000 one month ago. Here is my assessment for those two chargers:

First, let's get the similarities out of the way. Both the BC-900 and the C9000 are powerful battery analyzers/conditioners which can also be used as your everyday battery chargers. Both chargers accept one to four AA or AAA cells with independent charging currents. Both come with universal (100-240V AC) adapter.

Next, the differences:

1. SIZE:
First thing you'll notice is that the Maha C9000 is HUGE for a 4-AA-cell charger. It is about twice as large as the BC-900 (see my Customer Image for size comparison).

Larger size makes the C9000 less suitable as a travel charger. However, as a home charger this is actually an advantage.
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323 of 331 people found the following review helpful By Open Range on October 27, 2008
~ **update** 11-25-2015 ~ After using two Maha MH-9000 Charger/Analyzers for 7+ years, they're both continuing to perform flawlessly!

The Maha Powerex WizardOne MH-C9000 is an excellent AA/AAA battery analyzer, charger and/or conditioner with few drawbacks. It will take on any combination of 1 to 4 rechargeable AA &/or AAA batteries, separate charging circuitry for each cell. This charger performs quite well, consistent close tolerances. There are several detailed reviews published here worth reading, such as NLee the Engineer's review "Showdown...". Here are some observations, so ` if ` this review is too long ` then ` please scroll down to the end of the review for the bottom lines...
The Maha Powerex MH-C9000 is the size of a deli sandwich, portable enough for most situations. Generous spaces between the charging compartments. Makes it much easier to extract batteries from compartments #2 and #3 when having 4 cells in the charger. This multipurpose charger is sturdy and will even perform a discharge function without recharging the cell(s) if you'd like. Now that is something the La Crosse chargers won't do. There are 4 other modes to choose from: Charge, Refresh & Analyze, Break-in, & Cycle. AA batteries are placed into the MH-C9000 positive tip first. AAA cells are inserted negative side first. After the programmed bulk charging is been delivered, the charger will top-off charge for 2 more hours @ 100 mA, settling into a 10 mA trickle charge. ~Perfect~ The backlit LED display will alternately show the charge/discharge progress during operations, the charge/discharge rate itself, elapsed time & cell voltages... twice each per cell before moving on to the next battery's readings.
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184 of 189 people found the following review helpful By Derek Hofmann on January 7, 2008
I purchased the Maha C9000 as a backup for a La Crosse BC-900. I use the BC-900 at work, and the C9000 at home.

First, the good. The C9000 was able to recover a set of ancient Energizer NiMH batteries which the BC-900 wouldn't even recognize. The C9000 also has more conditioning modes than the BC-900.

Like the BC-900, the C9000 charges batteries independent of each other, and you can put each battery on a different mode. The charging rate of the second and subsequent batteries isn't limited to the charging rate of the first, an annoying limitation of the BC-900.

Now the bad. First, the C9000 is more expensive than the BC-900, and doesn't come with any extras like batteries or battery adapters.

The C9000's lighted display won't turn off as long as it's plugged in, so you'll want to move it out of the bedroom unless you want a night light.

The C9000's display only shows status for one battery at a time. To view status for all the batteries, you have to wait for it to automatically switch to the next battery, or use the buttons.

The default charging rate is 1000 mAh. The BC-900's default rate of 200 mAh is a better rate for prolonging the life of the battery.

If you keep your batteries in good shape, the cheaper and better equipped La Crosse BC-900 is a better deal, but for specialized tasks the Maha C9000 is unequaled.
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71 of 73 people found the following review helpful By Buddyjay on January 22, 2009
I have only had this charger for a few days and I believe you should only give a product review after having it for awhile, but I will do an update here if necessary.
I am by no means an expert of any kind when it comes to batteries/chargers. In fact, I never even knew about different charge rates, etc until a week ago.
My old digital camera kept telling me that the batteries were depleted even though I just charged them. I blamed the camera and found out (after buying a new camera) that it was the batteries not being charged properly (too fast).
I started reading about proper charge rates and capacity's and how fast charging (what I was doing on a cheap charger) is harmful, etc., etc.
I had a hard time deciding which charger to get: BC-700/900 or the C9000.
I finally decided on the C9000 since it had a couple more features I liked over the others. I was concerned about the LCD read-out only showing 1 slot at a time. People were complaining about having to wait about a minute for it to cycle around to the slot you want to read. I liked the features of this so much that I felt I could wait 1 miunte.
THIS IS NOT TRUE. You do not have to wait for the slots to cycle. You can press the slot key to go directly to the slot you want. It will then give you that slot's information immediately. No waiting at all!
If you have all 4 slots going and you want to know about slot #4 and it is on slot #1, just press the slot key (3x) and it goes to that slot.

Others have said that it takes awhile to learn the features and how to use the C9000. Again, I am no expert but this unit is almost self explanatory on how to use it. The only thing you would have to read the manual for is how to choose which cycle you want to use. Once you pick the cycle (i.e.
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