2 type 31 AGM batts will give you 200 amps and are far easier to move than the 4D
Get Outlook for Android<https://aka.ms/AAb9ysg> ________________________________ From: Joe Della Barba via CnC-List <cnc-list@cnc-list.com> Sent: Tuesday, May 23, 2023 6:54:07 AM To: 'Stus-List' <cnc-list@cnc-list.com> Cc: j...@dellabarba.com <j...@dellabarba.com> Subject: Stus-List New Batteries Last Time I Buy Lead I have been trying to put off buying new batteries until I can rewire for Lithium, but that was not to be. My last sail saw the house battery drop to about 12.4 volts an hour off shore power and the engine battery struggles with a cold engine. To my surprise, the local West Marine in Annapolis started carrying Odyssey batteries. I got a 4D Odyssey that uses their pure lead thin plate technology. This is basically an AGM, but is supposed to have a longer lifespan and charge faster than the conventional version. The West Marine branded batteries are really East-Penn Deka batteries. The Deka AGMs are only “OK”, not great. I was really happy to see WM branching out a bit. For the start battery I decided to risk a battery made out of Chinenesium, if it dies I am not out a lot of money nor is it hard to change out. https://www.amazon.com/dp/B07K6Z3VZ2?psc=1&ref=ppx_yo2ov_dt_b_product_details There are a lot of U1 size AGMs on Amazon, most of them seem to be around 150-170 CCA. This one is 320 CCA, which is plenty for me, the A4 starter draws about 130 amps. I am 100% sure the next house battery I buy will be lithium, getting a 120 pound battery into it’s spot was a huge PITA. Right now the tech is just not there on the cheap end. The “drop in” batteries really are no such thing. They might not blow up or catch on fire, but they may have a vey short lifespan depending on exactly what they get dropped in to. Even worse is when on a dark and stormy night the BMS decides to cut off all your power for some random reason. Joe Della Barba Coquina C&C 35 MK I Kent Island MD USA
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