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Old_Islander's avatar
Old_Islander
Explorer
Aug 23, 2018

12V Datalogger for Troubleshooting Charging System

Before I retired, used to use little inexpensive dataloggers in our systems to track the health of the main batteries (remote solar charged instrument arrays...). I've been having battery/charging is...
theoldwizard1's avatar
theoldwizard1
Explorer II
Aug 24, 2018
The first chart indicates that you either have a bad cell or a "phantom load".

The last chart kind implies the same, bad cell or phantom load. The voltage should not drop off that fast or that much !

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