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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Thank you, nice diagrams. I always thought that they were just too expensive. Future repairs, if any, are to be taken care of by you. ReviewStream real consumers real experience. An item that has been used previously. Not finding what you are looking for? Similarly the “AAA” trace marked in red makes it way through R12 to pin4 negative input. It think it is using a buck configuration with current dkracell. AAA batteries are different, however.

Just in case anyone reading this thread is considering the same modification, I’m not sure you have picked out the correct resistors? This is consistent in all four banks. Report item – opens in a new window or tab. It evidently has a high voltage test.

Originally Posted by Turbo DV8. The reviewer certified that no compensation was received from the reviewed item producer, trademark owner or any other institution, related with the item reviewed.

Related to temperature sensing the CEF21 has a temperature sensor tucked inside each negative post right where it touches the battery and far away from heat generating components in the power supply. When I insert some batteries the red light begins blinking. Seems to be either one extra maybe two connection beyond the resistor to this AAA node. They will tell you that While I await my next move, there is another neat thing I discovered over the weekend.


Lisle Engine Cylinder Hone. Please see post 50 below for details of how to make the modification. This can be achieved on the input side or on the output side making a few selective cuts and joins.

duracell cef21 Questions & Answers (with Pictures) – Fixya

It sure is a durable and efficient battery around and works long really long. It’s not easy when they keep jumping from one side of the board to the other. For additional information, see the Global Shipping Program terms durzcell conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees.

But if I hold the board up and shine light through it, they really do seem unconnected. You have succeeded better than I did in following where the traces go. I have not got the resistance down to zero, but my second attempt got the voltage differential down to about 5 mV. The charger has no problem charging AA batteries. The value was absolutely terrific.

Special financing available Select PayPal Credit at checkout to have the option to pay over time. I shall examine your diagram with interest. I shall reflect on what to do next. Duracell Value Charger I have been wanting to use rechargeable batteries for a long time. The thinness of the plate, can connect four devices at once. Put a large washer on AAA batteries to hold them down during charging.


You know how it is with kids always running out of batteries every time you turn around. I would practice on some scrap board with surface mount components first, though. The charge stays in the battery longer than a normal I’ve made these pictures as large as forum guidelines allow. This is why the current did not decrease with the short circuit you used. The AAA battery post is the inner post with the three solder lugs. As a result, I duravell had to try several times to get the AAA batteries charged.

Maybe that will do better. Originally Posted by PeAK.

Image not available Photos not available for this variation. My measurements are consistent with the current sense resistor hypothesis. Have one to sell? Page 1 of 2 1 2 Last Jump to page: I wanted to test out Duracell’s new product. No additional import charges at delivery!

duracell battery recharger instructions

Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. I found that the charger flashed the error indicator and refused to accept it. In both cases I saw the voltage reach a plateau and remain steady without decreasing as the cell temperature at the same time began to rise indicating full charge.