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Powerex MH-C9000 WizardOne battery charger

4.6 out of 5 stars  See all reviews (34 customer reviews)
Price: £49.95
Sale: £45.95
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In stock.
Dispatched from and sold by Nevada.
  • Programmable Charging and Discharging
  • Backlit LCD Display
  • Can charge and analyse 1 - 4 AAA or AA batteries
  • Built In Analyser
  • Know how good your batteries really are!

Frequently Bought Together

Powerex MH-C9000 WizardOne battery charger + Sanyo eneloop XX (HR-3UWX-8BP) 8 pcs. batteries AA / Mignon with 2500 mAh
Price For Both: £73.42

These items are dispatched from and sold by different sellers.

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Product details

  • Item Weight: 649 g
  • Boxed-product Weight: 898 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: MH-C9000
  • ASIN: B000OA98SQ
  • Date first available at Amazon.co.uk: 12 Mar 2007
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (34 customer reviews)

Product Description

Maha MH-C9000 'Wizard One' Intelligent Battery Charger It's like having four charger-analyzers for AA and AAA NiMH batteries ! MH-C9000 digitally displays capacity, voltage, time and current, and up to 29 selectable charging and discharging rates, charging current from 0.2A to 2.0A, and discharging current from 0.1A to 1.0A in 0.1A increments. Now you can easily re-generate those old "dead" cells, and batteries that have been stored away. Suitable for batteries stored for more than two weeks but less than 3 months or those showing poor performance. Four independent slots for charging AA or AAA size re-chargeable batteries Large backlit LCD digitally displays capacity, voltage, time and current Up to 29 selectable charging and discharging speeds

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
63 of 64 people found the following review helpful
By V'ger
Verified Purchase
In the last 30 years I have bought _every conceivable kind_ of battery charger: slow, fast, ultra-fast, "smart", digital, etc.: you name it, I tried it...

The problem with them has always been (for me) finding a reliable, multi-functional fast recharger, capable of recharging AA/AAA batteries of ANY capacity in a relatively short time WITHOUT KILLING THEM.

There are actually _lots_ of so-called "smart" chargers out there, capable of recharging any odd number of batteries of any kind in a very short time (which can be very bad for the batteries, if done wrongly, by the way...), stopping the charging when the batteries are full (...supposedly!).

The problem with many "smart" chargers of this kind (as any person that ever used these devices probably knows already) is that they can turn out to be quite "dumb", actually: as a matter of fact, many of them are designed to work properly only with batteries having the SAME (or LOWER) CAPACITY OF THE BATTERIES INCLUDED WITH THE CHARGERS THEMSELVES! This usually becomes evident when you start using newest, more powerful batteries, having a _higher_ capacity, compared to the "old" ones included with the chargers... The "latest" batteries often have _the same operation time_ of the old batteries you got with the chargers!

For example, I noticed that I could never recharge properly my newest 2800 mAh AA batteries in my old "smart" chargers, which were sold with 2300, 2000 or 2500 mAh batteries...

IMHO, the problem sits with the fact that most "smart", quick chargers with _fixed_ charging rate use a combination of different methods to stop the charge, including, among others, _a safety timer_ and a temperature sensor.
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25 of 25 people found the following review helpful
5.0 out of 5 stars Great device - but beware prices 6 Jun 2010
Everyone should have something like this. I bought my two from the German amazon site, where it is about half the price as it is here on the UK site.
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20 of 20 people found the following review helpful
5.0 out of 5 stars Ignore the name, just look at the options! 10 Jan 2011
The Maha Powerex MH-C9000 WizardOne Charger / Analyzer (catchy name) is what many consider to be the daddy of AA & AAA, NiCad / NiMH battery chargers. A reputation like that doesn't come easily, and it's one the Maha has obtained by offering the user more in the way of functionality than your average charger.

Firstly, you get 5 charging options:-
`Charge' simply does a single charge of the batteries at a current you set.
`Discharge' does a single discharge at a current you set.
`Refresh & Analyze' puts the batteries through a charge / discharge / charge cycle at a current you set.
`Break In' puts the batteries through a slow charge / discharge / charge cycle to prepare new batteries for first use.
`Cycle' goes through a programmable number of charge / discharge cycles to bring up old and worn batteries.

Despite its plethora of functions, the C9000 is actually really easy to use, if you've taken the time to read the manual first. Plug it in and turn it on, place a battery into once of the 4 charging slots and if you don't press a button within 5 seconds it will do an ordinary 1000mA charge. If you want to use a different charge setting, press the `Up' and `Down' buttons until the one you require is displayed, then press the `Enter' button. You may then be prompted to enter a charging current, which you access in the same manner. Nicely, if you place more than one battery in at a time, then the charger will prompt you to set the options for each slot in turn rather than all at once.

The whole thing is surprisingly intuitive and aided no end by the large backlit LCD screen, which tells you quite clearly just what the C9000 wants you to do next.
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12 of 12 people found the following review helpful
5.0 out of 5 stars Excellent 17 May 2012
By 12345!
Just wanted to leave a comment regarding how excellent this product is.

Contrary to some reviews it is not difficult to use (spend an hour reading the minimal and precise instructions & button pressing through short menu options and you will get it easily), the programmable options allow the user to choose how they are going to charge their AA's and or AAA's.

Generally it will take 0-10 button presses to set up each cells charge cycle and most of that is just moving the cursor to the correct program followed by the charge rate (a selectable number) followed by the discharge rate (a selectable number). Thats the most complicated it gets. Straight charge is easier still.

I found this table which is very useful and wrote it out in the C9000 instruction manual for when I want to set it up at the recommended rates.

A general rule of thumb is that the recommended charging current is set to 0.5 times the battery capacity (Also known as 0.5C). The recommended discharging current 0.25 times the battery capacity (Also known as 0.25C), So:

2700mAh Charge: 1300mA Discharge: 700mA

2650mAh Charge: 1300mA Discharge: 700mA

2500mAh Charge: 1200mA Discharge: 600mA

2300mAh Charge: 1100mA Discharge: 600mA

2200mAh Charge: 1100mA Discharge: 600mA

2100mAh Charge: 1000mA Discharge: 500mA

2000mAh Charge: 1000mA Discharge: 500mA

1000mAh Charge: 500mA Discharge: 200mA

900mAh Charge: 400mA Discharge: 200mA

850mAh Charge: 400mA Discharge: 200mA

800mAh Charge: 400mA Discharge: 200mA

700mAh Charge: 300mA Discharge: 200mA

650mAh Charge: 300mA Discharge: 200mA

600mAh Charge: 300mA Discharge: 200mA

Where can you go wrong?
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Most Recent Customer Reviews
5.0 out of 5 stars The best charger I have seen until now
This charger was ordered from Amazon.co.uk for me by a friend he had Prime that time. The box was big when he handed to me. Read more
Published 12 days ago by Zoltan Janos Horcsog
5.0 out of 5 stars Buy a charger you've never heard of.
This is streets ahead of my old charger, made by a big and well-known brand. I love this charger's ability to charge batteries individually, according to their individual... Read more
Published 4 months ago by D. Gamble
5.0 out of 5 stars Nearly perfect
It is very advanced and good charger with lots of info. The only bit I am missing there to display at least some more less info on power left on battery. Read more
Published 7 months ago by K. Knot
5.0 out of 5 stars great battery charger
this appears to be the best battery charger that i have used.possibly does more than i will ever need.great LCD display panel. Read more
Published 13 months ago by Jim Dunne
5.0 out of 5 stars How to look after your batteries
If you use rechargeable AA batteries this charger will save you a lot of money. With all its programmable options you can guarantee that your batteries will stay in perfect... Read more
Published 13 months ago by Fidget
5.0 out of 5 stars Solid Performer
This is simply an excellent piece of kit, compared to the inexpensive "Quick Chargers" available in retail outlets. Read more
Published 14 months ago by P. T. Jackson
5.0 out of 5 stars Brilliant
This is the perfect charger for anyone who is interested in how a battery works and wants to make sure their batteries are charged properly.
Published 15 months ago by fairway house
5.0 out of 5 stars Fantastic product
Provided you understand that this is not a simple plug and forget charger, you will have no problems. Read more
Published 16 months ago by Mr James M Barrett
5.0 out of 5 stars Awesome, works - recovered loads of batteries!!
Awesome, works - recovered loads of batteries!!

well worth the money

not cheap but defo worth it - ive refreshed a few 100 of nimh batteries - some were down... Read more
Published 16 months ago by Stephen Peacock
5.0 out of 5 stars LOVE THIS THING
Honestly one of my favorite purchases in the last year. That may sound sad but having been frustrated with rechargeable batteries in the past, I could not be happier with my... Read more
Published 16 months ago by Slizzle
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