Question about Duracell AAA NiMH Battery Charger with 4 Rechargeable AA Battery

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15 MINUTE AA CHARGER

IT TAKES OVER 1 HOUR TO PARTIALL CHARGE BATTEREIES. DOES THIS PRODUCT WORK? IF NOT WHAT CHARGER WILL

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  • sjrees May 11, 2010

    Are the batteries Duracell brand nihi batteries? How long do they sit between charging and being used? (duracell says their nihi batteries can only be stoerd a month after charging before they lose their charge; 3 weeks if installed in a device).

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Call duracell and explain your problem they will likely send you new batteries. They will tell you that yours are old.
Duracell if the the USA (800) 551-2355

Posted on Sep 08, 2008

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How long should I charge my 900mah li-ion batteries for the first time? How long should be after first time?


You should be OK to charge the battery for 10 hours at a constant current of about 90mA. I assume this battery is a 3.7v type, with a full charge voltage of about 4.2v (it would be useful to monitor this with a multimeter).
Some useful commentary is here: https://www.sparkfun.com/products/341
Good Luck

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What does the flashing red light mean?!?


The flashing red probably means that the charger is working correctly and is indeed charging the batteries. The light should turn green when charging is complete after anything from 1 to 16 hours depending on how this charger works.

Do the following test: Fit the charger with your batteries and connect it to the mains. After 1 hour check if there is a detectable temperature rise in the batteries. You can do this without interrupting the charge cycle by touching the cells with the back of your fingers. If the temperature is still low, let it continue for another 15 hours or so, checking every now & then for any temperature increase. Should the temperature rise more than a few degrees, then stop the charging by removing the charger from the mains. Should the red lamp remain flashing after 16 hours, then I suspect you to have a defective charger.

Dec 27, 2010 | Duracell AAA NiMH Battery Charger with 4...

1 Answer

Red light is flashing off and on


Please refer to your charger user manual: but in general, this indicates that the charger has determined that one or more of your rechargeable is faulty (despite the fact that it may still hold a partial charge).
Smart charger can measure the expected voltage and current flow and will prevent any 'faulty' cells to be charged (those 'faulty' rechargeable batteries may actually still be useful and charged on other less intelligent charger). Try charging them individually (if your charger can handle individual battery) or in different pair combination to locate flaw cell.
Hope it helps.

Jan 28, 2010 | Duracell AA/AAA NiMH Battery Charger with...

1 Answer

I charged my Duracell 2400 mAh batteries for 15 minutes, and I was able to shoot only 10 pictures with them in my digital camera before they went dead. What is the problem here? I repeated the process with...


your lucky then,,, they take 16 hourse to fully charge unless you rapid charge them? a nasty thing to do to a new battery? all ways slow charge them first,,
never fast charge any battery only charge at whats called "the C10 rate!" they live much longer that way,
in other words slow charge when first charge,,,faster after that! ok,, did you not know you must "form the cells first" before you use them?

Oct 24, 2009 | Duracell NiMH AA/AAA Battery Charger with...

2 Answers

HI I PROBABLY THREW OUT THE INSTRUCTIONS. SO HOW DO I KNOW WHEN THE CHARGER CEF 15NC HAS COMPLETED CHARGING THE BATTERIES?


gripfitter is incorrect, that charger is made to charge in 15 minutes. It has a cooling fan and when batteries are inserted a red light comes on and the fan starts. When light goes out and fan stops, the batteries are charged. (light should not blink as that indicates one or more of the batteries has a problem)

Sep 25, 2009 | Duracell AA/AAA NiMH Battery Charger with...

2 Answers

My 15 min. Duracell charger keeps blinking-won't work...


When the duracell lights blink during charging, AT YOUR OWN RISK, try a reverse charge. Instead charging positive to positive and negative to negative, try positive to negative and negative to positive. I did this for 2 minutes. This solved the problem. After the 2 minutes, I gave the batteries a normal charge. You will have to force the battery and charger contacts to touch.

Jul 08, 2009 | Duracell AAA NiMH Battery Charger with 4...

3 Answers

Initial charging time


hi there
the first charge should be around 12 hours, this then teaches the battery its max load.
ignore the charger if tells you its charged after a couple of hours.
after the first charge use as normal.

hope this helps

beergut707

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Batteries require several charges in order to reach fully capacity


I wont exactly call this solved but I called duracell and they think the batteries are old. They are sending me a new set of batteries.

Sep 08, 2008 | Duracell AAA NiMH Battery Charger with 4...

4 Answers

Flashing lights


I had the same problem. 1 of four way's can fix it. #1 Put a batt. that has a little charge in that flashing spot 1st. and see if that works. #2 put the batt. in that flashing slot first and then in the 1st slot, If that did'nt work, #3 Put Batt. in backwards for 1 sec. in and out fast. and I do say very fast, In that flashing spot. #4 buy a new one. The one that fixed mine was #1 and it stoppppped flashing, The order I put them in was - 3-1-2-4 I put in #3 batt. first, it was the one flashing And it worked, You may have a bad batt. or it's on it's way out, but try It. worked for me!

Mar 30, 2008 | Duracell AAA NiMH Battery Charger with 4...

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