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Hello- Maybe you can help me- I want to put 2 volt meters in my boat dash to check the battery status of each. If I wire them separately directly to each battery and install a solenoid to isolate the batteries will it work?
Thanks for your help.
The voltage readout should not depend on anything other components in the system. I would have the the voltmeters directly wired to the batteries, so the voltmeter is always reading the battery voltage. I’m pretty sure that analog meters draw no current, and digital ones draw only milliamps. The batteries will not go flat.
You could use a single volt meter & a SPDT switch to select whichever battery you want to monitor
Or two cheap digital voltmeters from ebay. I currently have an ebay voltmeter for my main battery and solar regulator with voltmeter for my aux battery.
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