Battery over charging.
I have 2 100 watt solar panels on my roof, and a Zamp solar controller which came standard with the trailer. On the display it shows that the battery is sitting at 16 volt, when the sun is out and ...
Forum Discussion
If your battery is a wet cell, have you checked the electrolyte levels lately? Voltage will rise as the plates become exposed to air... and battery will get hot and hiss as more electrolyte is gassed off.
