Operating instruction for the Duracell CEF14AU NiMH Battery Charger. Two Charging Channel. • 2 or 4 cell charging in combined slots (labeled). Bi- color Charging Status LED Indicator. • Red = Charging. • Green = Complete. Find solutions to your duracell cef21 question. Get free help, tips & support from top experts on duracell cef21 related issues.

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On doing the same experiment with an AA cell connected the voltage difference remained close to zero, hovering around -2 mV why negative?

I’ve been puzzled by those round pads that seem to go nowhere too. Image not dyracell Photos not available for this variation.

Bookmarks Bookmarks Digg del. See other items More Please never be afraid to correct me! I have higher resolution versions I could link to. The site is not responsible for the mistakes made. They only ended up lasting for about two weeks.

Item description You should expect that this item will arrive in used condition, not new condition. Have one to sell? Hold the body and screw off the It might be an idea to monitor the voltage across “the resistor” when charging a AA battery and also when charging an AAA battery to validate some of the above assumptions about the current traversing it.


Pin 2 would be the next pin north, next to the first 3 of C33?

duracell battery recharger instructions

People who viewed this item also viewed. I would practice on some scrap board with surface mount components first, though. I shall examine your diagram with interest.

Please see post 50 below for details of how to make the modification. I will certainly consider the idea of removing the appropriate 10k resistors when I work up enough duraxell to try it. I would hazard a guess that the current comes from the AA terminal to the AAA terminal through the resistor. Each of these configurations are what I think are the buck circuits.

Thank you, nice diagrams. Just above R15 a thick trace leads back to near R5 and Q8.

Duracell Power Gauge CEF21 mod for improved charging of AAA cells

Doesn’t work in any of the three modes. There are 1 items available. The only other small flaw is that the 4 AA batteries included with this charger are rated at mAH.

On the other hand, I have further evidence for the Uniross Hybrio cells I call “hybriloops” being the same as eneloops. It think it is using a buck configuration with current sensing.

And until this moment,the compact charger from Energizer is still working well. Future repairs, if any, are to be taken care of by you. You have succeeded better than I did in following where the traces go. Watch list is full. This latter voltage matches exactly what I observe from Eneloops and not from any other cell I have tested. Sidenotes Want to buy Gift it to me. Put a large washer on AAA batteries to hold them down during charging.

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It’s not easy when ce2f1 keep jumping from one side of the board to the other. Learn More – opens in a new window or tab Any international shipping and import charges duraecll paid in part to Pitney Bowes Inc.

Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab Add to watch list. The AAA cell took about 5 hours to charge as normal.

It wasn’t until I was painfully searching every category in Amazon. Duracell AAA Batteries Some of our electronic gadgets, such as the wall clock, the remote for the television and the blood pressure monitor uses triple A batteries.