G,
I used my 12 volt ipilot for 3 years that way and never had a issue what so ever with batteries charging always fully charge by next morning and when I went to my 24 volt riptide ipilot I used the same 2 batteries but wire the in series and used them batteries for 3 more years with no trouble what so ever !!! but now I got the Ulterra with new batteries and loving it !!!

