I installed a battery monitor about two weeks ago. It is set up to indicate the percentage of reserve capacity in my 12V cranking battery and 2 24V (Series) trolling batteries.<br /><br />My trolling batteries are hardwired into an onboard Dual Pro charger which also indicates the percentage of battery charge with several red lights while charging which switches to a green light when it is fully charged. However, after completely charging my 24V series wired batteries which I believe to be at 100% as per the green light, the newly installed battery monitor only indicates an 80% charge. The batteries are deep cycle flooded cell 27 series which have two full previous seasons on them. Can I expect to get more mileage from these batteries or are the symptoms I described an indication their aging condition is unable to continue holding a full charge? Can I be hopeful to recognize finishing this season with them before making the new AGM or Optima battery investment?<br /> <br /><br /><br />Helpful thoughts appreciated.
