I posted a question last week involving my H31 not starting. I thought is was the starter or possible solonoid..wrong! My batteries died. What threw me off was that they both registered a 13 volt charge when I tested them with meter. Problem as some of you seadogs know, there was no AMPERAGE behind the volts, hence I got the click click at start time.Of particular note is the gel batteries were 13 years old! I think this is amazing. I purschased two replacement batteries and the boat starts better than ever.Thankyou for your input.Mike