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belatrix avatar image

I have a solar charge controller which charges at over 16V is this normal or will it damage my batteries?

200 panel, Victron blue controller.

4 no 110 ah AGM semi traction batteries

charging battery
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1 Answer
osaether avatar image

What was the approximate temperature of your batteries when you observed 16V?
Unless your batteries are very cold (below -10C), 16V charging voltage is not normal for a 12V battery. See this article:

https://www.powerstridebattery.com/blog/cold-weather-charging/

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