Hey Dave, Your work looks very professional and the write up is great. Thanks for sharing. Chuck S
> On 02/16/2024 7:30 AM EST Dave S via CnC-List <cnc-list@cnc-list.com> wrote: > > > C&C 33 mark ii Windstar > http://cncwindstar.blogspot.com/search/label/Solar%20and%20Batteries?m=1 > cncwindstar.blogspot.com > http://cncwindstar.blogspot.com/search/label/Solar%20and%20Batteries?m=1 > [favicon.ico] > http://cncwindstar.blogspot.com/search/label/Solar%20and%20Batteries?m=1 > > Here are a series of posts documenting my experience with exactly the same > upgrade. > In a nutshell, 175w of solar and 200ah of lithium house bank allowed me to > be off the grid May and September. (Toronto area, fridge running). I > think this is a perfect size for a 32-37’ boat, similarly equipped. I sold > windstar last year and the new owner told me that her marine electrician > checked the installation and told her it was ‘done right’. I’ve upgraded my > new boat to LiFePo and wouldn’t think twice about it, unless perhaps I had a > requirement to charge the bank in freezing cold. > The loads and use cases I considered are all documented on that blog. > > Dave > Ex- 33-2 Windstar > > > Sent from my iPhone > > > > On Feb 16, 2024, at 6:04 AM, nausetbeach--- via CnC-List > > <cnc-list@cnc-list.com> wrote: > > > > > > > > > Chuck, Bill and any others: > > > > > > > > I am in a similar position; my batteries are on their last legs. Was > > hoping to make another season with them but need to dive into LFP batteries > > as a potential replacement. Some people really like AGM, but my > > understanding is they need to be brought back to 100% SOC and I am on a > > mooring so cannot just plug in at the end of the day. > > > > > > > > Where / what sites have you been using to learn about LFP batteries? So > > far I have looked [but need to spend more time at] Rod Collins “Marine How > > To” site, and Ocean Planet. > > > > > > > > I also need to get up to speed as best as I can on solar – so any > > suggestions there as well. Have spent some time on the “alltestore . com” > > site. > > > > > > > > Thanks, > > > > Brian > > > > > > > > From: CHARLES SCHEAFFER via CnC-List <cnc-list@cnc-list.com> > > Sent: Thursday, February 15, 2024 6:15 PM > > To: Stus-List <cnc-list@cnc-list.com> > > Cc: CHARLES SCHEAFFER <cscheaf...@comcast.net> > > Subject: Stus-List Lithium vs AGM > > > > > > > > Hey Bill, > > > > > > > > I am replacing my 12 and 13 year old AGM batteries with AGMs. I spent at > > least 40 hours this winter learning about Lithium, because decent lithium > > batteries can be found for a few dollars more than AGMs. But I don't have > > room on my boat for the inverter/charger and all the costs of that and all > > the modules and cables, required to complete a system like that, pushes a > > lithium project way over my budget. I am installing a Victron shunt to > > read my power useage and monitor various loads, and I'm adding some fuses > > at each battery, so I can always upgrade the system later, if it's > > warranted. > > > > > > > > I'll be adding a cheap 1000watt pure sine wave inverter to power my TV, > > DVD, chargers and coffee maker. > > > > > > > > Curious about your project. > > > > > > > > Chuck Scheaffer, Resolute 1989 C&C 34R, Annapolis > > > > > > > > > > > > > > > > On 02/15/2024 4:27 PM EST Bill Coleman via CnC-List > > > <cnc-list@cnc-list.com mailto:cnc-list@cnc-list.com> wrote: > > > > > > > > > > > > > > > > > > I'm a little surprised, I would have expected a progressive fellow such > > > as yourself to be jumping into lithium. I am wasting an inordinate amount > > > of time researching charger inverters, and I think although the lithium > > > batteries may come down more in the future, I think because I need new > > > batteries the time is now. > > > > > > > > > > > > Bill Coleman > > > > > > > > > > > > On Thu, Feb 15, 2024, 12:34 Joe Della Barba via CnC-List > > > <cnc-list@cnc-list.com mailto:cnc-list@cnc-list.com> wrote: > > > > > > > > > > > > > > > > > I recently got a big AGM battery that needs a big charger. I have a > > > > > ProNautic 15 amp charger with a battery temperature probe that is > > > > > necessary for correct charging of any lead-acid battery. It can > > > > > charge 1, 2, or 3 batteries and has a lot of settings for various > > > > > charge profiles. > > > > > > > > > > It works fine, it is only being removed because I got a bigger > > > > > charger. They sell for $350-$400 new, I will send this one to any USA > > > > > address for $150 shipped. Canada might be more, I would have to check. > > > > > > > > > > (Odyssey battery company told me they want their battery charged with > > > > > at least a 30 amp charger and ideally a lot more, apparently they > > > > > need to be hit hard to stay good) > > > > > > > > > > > > > > > > > > > > > Joe Della Barba > > > > > > > > Coquina C&C 35 MK I > > > > > > > > Kent Island MD USA > > > > > > > > > > > > > > > > > > > > > > > > Please show your appreciation for this list and the Photo Album site > > > > and help me pay the associated bills. Make a contribution at: > > > > https://www.paypal.me/stumurray > > > > Thanks for your help. > > > > Stu > > > > > > > > > > Please show your appreciation for this list and the Photo Album site and > > > help me pay the associated bills. Make a contribution at: > > > https://www.paypal.me/stumurray > > > Thanks for your help. > > > Stu > > > > > Please show your appreciation for this list and the Photo Album site and > > help me pay the associated bills. Make a contribution at: > > https://www.paypal.me/stumurray > > Thanks for your help. > > Stu > > > Please show your appreciation for this list and the Photo Album site and help > me pay the associated bills. Make a contribution at: > https://www.paypal.me/stumurray > Thanks for your help. > Stu >
Please show your appreciation for this list and the Photo Album site and help me pay the associated bills. Make a contribution at: https://www.paypal.me/stumurray Thanks for your help. Stu
