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I do computer repair. I was wanting to know if they have a device that can charge any laptop battery externally. In my troubleshooting I want to make sure I'm not dealing with a bad power jack that's not charging the battery or not charging it right. I want an external device to determine if I'm just dealing with a bad battery that needs to be replaced.
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Good question! Sorry no.
The problem here is each different LiOn battery requires a different charge cycle & connection just within the one manufactures collection of systems it sells (Apple alone is around 20 different batteries).
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The best way is to use a Ohm meter to check the connectivity, and a Volt meter to check the voltages of the circuit pathway.
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