12v

Finally added a second battery and solar panel to my 1979 Newport 28. The boat originally had one battery, a 1/2/off/both switch, no inboard atomic 4, questionable shore charging capabilities, but does have a 9.9 HP outboard. For peace of mind I wanted to add a second battery and a solar panel...

Dear battery heads: With the imminent installation of solar on my C&C 37, I'm trying to decipher the actual voltage of the house bank. The PO put together a #2 bank consisting of: 2 6V AGMs wired in series to make 12V 1 newer AGM 12V (added later under q-berth) + Xantrex Trucharge 20 6V combo...