While on the battery discussion, I have lead acid batteries, which have served 
me fairly well in light of how I use my boat.  However, I was thinking about 
going to gel batteries, primarily because deep cycle gels can provide a lot of 
a/h for the house.  Does anyone have experience with gel deep cycle batteries?

 

Matt

C&C 42 Custom 

 

From: Dreuge via CnC-List <[email protected]> 
Sent: Tuesday, September 14, 2021 3:11 PM
To: [email protected]
Cc: Dreuge <[email protected]>
Subject: Stus-List Fwd: Re: anyone gone lithium?

 

Hi,

 

The message below bounced back to me as I tried to include a pdf file.  I 
replaced the attachment with a google doc link andI’m  resending the message.  
Sorry if you get the message twice.

 

Paul

...

 

Hi,

 


This was my argument last year, but the costs for LFP is now less than Walmart 
batteries!   It depends on one needs.  I agree that there are little to no 
benefits for day sailing.  

I went a little overboard and replaced 2 group 31s with 560AH which cost me 
under $1k USD.  I could have cut that in half for 280AH.

What’s the upside? 
                * occupies the same space & location used by the 2 group 31s 
                * weighs less (95 lbs vs 125 lbs)
                * over 5 TIMES the original capacity
                * no more watering batteries
                * no more replacing batteries
                * equivalent in capacity to over TEN (10) Walmart Deep Cycle 
batteries  
  
I have attached a link to slides from a talk I gave last week at a local HAM 
radio club which basically covers the LifePO4, solar, and power upgrade 
process. 

 

https://drive.google.com/file/d/1-6GIrXPr5SEE5HWvAzs6yEt3K4x7y-lF/view?usp=sharing

 

 

 

-
Paul E.
1981 C&C Landfall 38 
S/V Johanna Rose
Fort Walton Beach, FL

http://svjohannarose.blogspot.com/

 

 

 

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send contribution --   https://www.paypal.me/stumurray  Thanks - Stu

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