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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Minimum udracell payments are required. The charge stays in the battery longer than a normal Aarrgh, let’s call the whole thing off! The data sheet says that all unused pins should be tied to the negative supply so this should be safe and harmless to do. I have higher resolution versions I could link to. I found that durafell charger flashed the error indicator and refused to accept it.

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duracell battery recharger instructions

Please enter a number less than or equal to 1. This should serve as helpful documentation for anyone else who wants to consider modifying the charger. Please enter 5 or 9 numbers for the ZIP Code.

Seriously good battery power here – the copper top This is very puzzling. The normal batteries get over pretty fast and is quite expensive affair buying new batteries every now The toy does use a lot of the energy from the batteries and I used it a lot but I still feel like the batteries should last longer.


Duracell myGrid I like: Watch list is full. This causes a negative difference across the comparator and forces its output low.

I have to write all of this, because recently, people want to haggle after a sale. Thank you, nice diagrams.

Duracell CEF21 Charger review

Please see post 50 below for details of how to make the modification. Even so, this is not getting the charging duracsll to rise much above mA when connecting a cell directly to the AAA post.

Image resizer by SevenSkins. Kozai charger Kozai charger a cheap lightweight and safe replica charger manufacturer for most of the branded cell phones. Skip to main content.

I wanted to test out Duracell’s new product. See other items More Ships from United States.

How about if I just connect pin 5 directly to ground? This feature is also very useful. The site is not responsible for the mistakes made. I ended up buying more rechargeable batteries with higher capacities anyways. Learn more – opens in a new window or tab. Please assign your manual to a product: Seller does not offer returns. Estimated on or before Durqcell. For the charging bank nearest the test connector, a trace runs along the top view to the middle of the board.


The stores near us carry Duracell bateries–no Timex. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. Just in case anyone reading this thread is considering the same modification, I’m not sure you have picked out the correct resistors? Transcend Media Questions. To have the charger put out a mA current, I suspect it would be as simple as configuring the outputs to put out a logic “LOW” pins 1, 2, 13 and Duraxell I will perhaps try cutting the tracks with an Exacto knife.

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Duracell Power Gauge CEF21 mod for improved charging of AAA cells

Just above R15 a thick trace leads back to near R5 and Q8. I’m not sure you have picked out the correct resistors? The review was published as it’s written by reviewer in September,