Had the boat fifteen years. I leave my batteries on the boat connected with everything switched off. I go to the boat at least once a month to connect a power cord that powers the charger and top them off while I check the cover and interior and work on projects. On the hard, I keep a power cord run through the speedo and simply plug it into a receptacle which powers the charger and a radio I leave turned on. If I hear that music playing while under the boat, I know she's charging and not have to even climb on the boat, maybe go to lunch or visit friends. I keep the cord coiled at the boat, not at the receptacle, so no one does me a favor and powers my boat when I'm not there.
I don't have refrigeration so I never leave the charger plugged in when I leave the boat, as I live 2 1/2 hrs away and that is an electrical hazzard I don't want to worry about. When I am at the boat, I plug in power and charge the batteries and run AC, TV, and lights, and fans. Before I leave, the ice box gets emptied and the seacocks closed and shorepower unplugged. The life of the batteries proves this method works well enough. My first set of AGM batteries bought when I got the boat; one lasted nine years, the other eleven. > On November 30, 2018 at 10:41 AM robert via CnC-List <cnc-list@cnc-list.com> > wrote: > > Ray: > > I have 2 Group 27's deep cycle....now 9 years old, and I leave them on > the boat over the winter with everything disconnected. They get a full > charge in the Fall during layup bringing up to 6.2V to 6.4V.....also check > the levels of the electrolyte (acid) and add distilled water if necessary > before charging. > > For a few winters, I have left them this way without a charge until > Spring....in the Spring, they read 12.4V to 12.5V. Most winters, I will > visit the boat and give the batteries a charge with a 6V charger.....maybe an > hour on each battery. Never an issue. > > There is a permanent 'smart charger' on the boat but our club will not > permit an electrical connection to the boat if it is unattended, good policy > for obvious reasons, but being on a trickle charge all winter has not been > necessary . > > Rob Abbott > AZURA > C&C 32 - #277 > Halifax, N.S > > On 2018-11-30 11:15 a.m., Raymond Macklin via CnC-List wrote: > > > > I have two batteries that I am looking for information on > how to Maintain my batteries over the winter. What charger to purchase and > process to follow. Any information would be greatly appreciated. > > > > Thanks, > > . > > Ray > > LakeHouse > > Milwaukee, WI > > > > > > _______________________________________________ > > > > Thanks everyone for supporting this list with your contributions. > > Each and every one is greatly appreciated. If you want to support the list > > - use PayPal to send contribution -- https://www.paypal.me/stumurray > > > > > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > >
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