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.

Author: Duzshura Zulkijinn
Country: India
Language: English (Spanish)
Genre: Relationship
Published (Last): 4 June 2005
Pages: 280
PDF File Size: 12.59 Mb
ePub File Size: 8.72 Mb
ISBN: 430-3-40539-547-1
Downloads: 52759
Price: Free* [*Free Regsitration Required]
Uploader: Bashura

Upper left is the mains power supply.

In your circuit schematic in post 20 you show the negative input pin 4 going to the AAA cell and the positive input going to the AA cell. Current measurements are difficult. Sidenotes Want to buy Gift duracell to me. I found that the charger flashed the error indicator and refused to accept it.

duracell battery recharger instructions | Operating instruct… | Flickr

I’m running the charger disassembled at the moment and using jump leads to connect from the charger to the battery. Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Flashes once, then no light no matter how often you press the button on the end. Learn More – opens in a new window or tab. Subject to credit approval. On doing the same experiment with an AA cell connected the voltage difference remained close to zero, hovering around -2 mV why negative?


Ships from United States. When an AA cell is connected the output should therefore be high. What the circuit is doing such that it seems almost entirely insensitive to the resistance between the AA and AAA posts is a mystery. Duracell CEF21 disassembled modifications, anyone? I see where we seem to have a disconnect.

Lower right would appear to be a test connector. As manufactured, the charger uses mA to charge AAA cells and it seems to be unreliable at terminating. Special financing available Select PayPal Credit at checkout to have the option duracell pay over time.

Here are high resolution images of each side of the duacell board to help with following the traces: It sure is a durable and efficient battery around and works long really long.

duracell battery recharger instructions

Mouse over to Zoom – Click to enlarge. No additional import charges at delivery! The data sheet says that all unused pins should be tied to the negative supply so this should be safe and harmless to do.


Flashlights and Parts WTS: I think that temperature sensing is more important for termination with AAA cells than with AA cells. The thinness of the plate, can connect four devices at once.

I went to the store where I purchased the phone and asked him for a replacement charger but he told me that I had to place an order I’m dudacell sure what went wrong; maybe my shorting lead was too long and too high resistance. This is consistent in all four banks. I have cev21 write all of this, because recently, people want to haggle after a sale. However, when I follow the circuit traces that does not seem to be the case.

There are 1 items available. In each case there seems to be a thick current supply trace leading to the AA connector, and one thin voltage sensing? Not finding what you are looking for?

For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab.