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How to construct a battery tester for mobile phones?

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Leosedf

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Battery tester

I would like to construct a battery tester for mobile phones

Any suggestions?
 

Igor_S

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Re: Battery tester

You can build the circuit to perform automatically loading the battery with predefined load, and checking the voltage drop (i.e. measure the internal resistance).
Whats about the electrochemical tester (like embedded in some AA cells)? Of course, it is only a joke.
 

Leosedf

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Re: Battery tester

The bad news is that i don't have a reference design to see how it works
 

surfman

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Re: Battery tester

There is one project from russian forum. It is Lion battery tester
 

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