GMC-320 battery charging problem repair.

Suddenly, this Geiger counter was no longer able to charge the discharged Li-Ion battery inside. I also wasted some time with unnecessary measurements and trying to figure out the working principle because as you can see the solution was very simple. The first minute explains the solution, the rest shows the way to the solution.
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[@jamesharkness1058]

Thank you for sharing this!

[@mcelec7603]

Thank you!