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Post by Rawbee on Nov 8, 2021 10:06:19 GMT -5
Hi-for a number of seasons I either pulled my 2660cc batteries from the boat and trickle charged over the winter (live on Cape Cod); then these last 2 seasons I disconnected and trickle charged them on the boat (didn't remove them) and they were perfect in the spring.
Any suggestions with my new boat (2020 Sailfish 325 DC) on whether or not I should do the same (trickle charge) over the winter while batteries remain on boat or...can I plug in shoreline to allow batteries to charge? If I'm reading the VSR technology correctly; this may not work? but I thought I would ask for some feedback on this one...
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Post by fishnfool on Nov 8, 2021 11:37:35 GMT -5
The VSR will allow for all batteries to be brought up to charge and the switch will close when all batteries reach charge.
I never pull my batteries unless I'm replacing them, it's such a PIA to pull them out.
I installed an onboard charger. To avoid the risk of overcharging and killing my batteries (yes I am aware my charger shouldn't allow that, but it does/can happen) I only plug in the charger overnight every couple of weeks over the winter to top them off just to make sure they dont discharge too much during the colder winter months.
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Post by Rawbee on Nov 8, 2021 13:20:15 GMT -5
The VSR will allow for all batteries to be brought up to charge and the switch will close when all batteries reach charge. I never pull my batteries unless I'm replacing them, it's such a PIA to pull them out. I installed an onboard charger. To avoid the risk of overcharging and killing my batteries (yes I am aware my charger shouldn't allow that, but it does/can happen) I only plug in the charger overnight every couple of weeks over the winter to top them off just to make sure they dont discharge too much during the colder winter months. Well; thank you for that...It seems I actually sent this post out too soon...lol, I just took a look and I do have the built in battery charger. I double checked the boat specs and yup....there it was..looks like im good to go for the winter...Thanks again!
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Post by fishnfool on Nov 8, 2021 16:04:57 GMT -5
The VSR will allow for all batteries to be brought up to charge and the switch will close when all batteries reach charge. I never pull my batteries unless I'm replacing them, it's such a PIA to pull them out. I installed an onboard charger. To avoid the risk of overcharging and killing my batteries (yes I am aware my charger shouldn't allow that, but it does/can happen) I only plug in the charger overnight every couple of weeks over the winter to top them off just to make sure they dont discharge too much during the colder winter months. Well; thank you for that...It seems I actually sent this post out too soon...lol, I just took a look and I do have the built in battery charger. I double checked the boat specs and yup....there it was..looks like im good to go for the winter...Thanks again! Great! I still wouldn't leave the charger plugged in continuously over the winter. Plug it in periodically for 24 hrs or so to top off all the batteries and unplug and repeat in a couple three weeks.
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Post by finatic on Nov 9, 2021 16:14:14 GMT -5
I disconnect the ground off the batteries and once or twice over the winter season I'll throw a trickle charger on them never had a problem.
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Post by footy3 on Nov 9, 2021 16:49:26 GMT -5
How cold does it get where you guys are? I'm in NJ and it seems every year we get a couple of weeks of low single digits, would that kind of cold change your approach?
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Post by Rawbee on Nov 9, 2021 19:16:06 GMT -5
Gets pretty cold and really is unpredictable on Cape Cod. I'm a washashore and have only been here for 11 years. The Cape is generally not as cold as most inland cities and towns in Massachusetts but again; unpredictable year to year.
I tested the onboard charging system (Prosport 20 plus) and it nicely cycled through the three batteries and I woke this morning to see system checked out with a complete status. I'll do this once a month until the spring. I also called sailfish in Cairo Georgia yesterday and received similar feedback that keeping the batteries onboard with the monthly charge would be ok. I agree its a tough decision but the amount of wires and stuff in the aft compartment is nuts.
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Post by finatic on Nov 10, 2021 7:56:39 GMT -5
How cold does it get where you guys are? I'm in NJ and it seems every year we get a couple of weeks of low single digits, would that kind of cold change your approach? I'm in CT, colder than NJ. no problems.
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Post by noslackline on Nov 14, 2021 11:52:47 GMT -5
You should be just fine Rich... no worries.
I leave the AGM batteries in over the winter. I charge them up full as part of the winterizarion process. I have a on-board Prosport smart charger such as yours and will plug in the shore power a couple of times untill spring. Been great so far. No need to pull out those heavy bastards out of tight spaces.
Again... no worries! Cheers Pete
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Post by EasyPeasy on Dec 10, 2021 10:52:15 GMT -5
I disconnect the ground off the batteries and once or twice over the winter season I'll throw a trickle charger on them never had a problem. Hmmm. I would think it's better to disconnect the positive leads and let everything sit at ground (except the positive terminals....)?
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Post by lainiej on Dec 10, 2021 13:57:49 GMT -5
I am on LI so it does get cold over the winter. I have 4 batteries on my 2360 and leave them in as well. I throw a trickle charge on them once a month until spring and that has always worked for me.
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