Battery BL-5C suddenly stopped working

[robitabu]

I have three Nokia phones, each one has a BL-5C battery. Suddendly one of them stopped working, it was a battery fault. I could'nt get it to a full charge again. I also tried charging that battery using the other phones I have at hand but nothing works. The phone that had the faulty battery in the first place still works with any other BL-5C.

I measured the voltages of the faulty battery:
A-B: 0 Volt
A-C: 2.70 Volt
B-C: 2.50 Volt
Reference image: http://www.laubfrosch.it/tmp/bl-5c/batteria_nokia.jpg

It looks like the battery still works (it's not 0 Volt on A-C!) but couldn't get to be full recharged, hence the voltages stay at such a low level that the mobile does not turn on.

I wonder if anyone else had this very same problem, I'd like to share the details.

[symbianyucca]

Welcome to the Forum Nokia Developer discussion board, as this DiBo concentrates on development related issues, you might find more end-user problems related Dibo better suited for your query. Here's link for one: http://discussions.europe.nokia.com/