How to test the mcx charger with a meter when you turn down the pot? - RC Groups
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Jan 08, 2009, 10:28 PM
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crash331's Avatar

How to test the mcx charger with a meter when you turn down the pot?

I made the mistake of shorting the leads going to the battery with the battery in. Almost killed the lipo.

So with the lip out, what do I connect the multimeter to? I can't get a reading on the lipo side of the PCB, only the AA side.
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Jan 08, 2009, 10:33 PM
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To measure the current going to the battery after turning the pot just cut one of the wires inside the charger that leads to the lipo, set your multimeter to measure for current and connect one of the probes to one end of the wire you cut and the other probe to the other end.
Jan 08, 2009, 10:35 PM
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crash331's Avatar
Yeah, I did that sorta. I didn't cut any wires, i just touched the multimeter leads to the 2 solder points that connect to the lipo adapter.
Jan 08, 2009, 10:38 PM
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If you do that, then you should get a voltage reading, not a current one. I'm guessing you want to know what current your charger is charging the lipo at since you did the pot mod, right?
The voltage reading is useful too though, you can use it to find out if your charger is overcharging your lipo. (past 4.2v)

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