This is not Rufus_t_Doofus, but other members of 847. We are working on designing/building a new 12V battery charging station and want to wire in voltage meters to display the current volts for each battery on charge, and were wondering how we might go about that. As of now, we are planning on using Noco Genius Gen5x3s.
Thanks for any input.
Can I ask why? What’s the goal with reading the voltage on the charger?
Do you think it changes a lot when charging? Have you tried it by connecting a multimeter? You can likely carefully insert the probes into the back side of the Anderson connector and try it.
Tell us what you find as a battery is charging.
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Functionally, it may provide little to no real benefit, but we find the idea to be an interesting and fun project to pursue.
Well, if that’s the case… it’s voltage. There are loads of cheap volt meter displays. They’ll have two lines, connect one to each side of the charger lines. That’s all there is to it really.
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Truth. Amazon has 'em for like $12 a pop, maybe less. A motivated team of students could knock out a bank in a couple of hours, not counting mounting.
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As our 10 slot charger is huge and hidden… we went this way too! I highly reccomend Amp meters too; I got one that did both. NOTE: if you, um, don’t plug in the battery charger, he Voltmeter will still light up, but the Amp meter will not. Don’t ask why I know this 
The Amp meter gives you a quick idea if the battery is charging and if its done…
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