How often are you refilling the batteries? Getting access to fill will be pretty difficult and the cheapest auto watering system for a 48v system I found was close to $400. Which is why I was leaning towards the sealed. I'd really like to use those 190F I know they get used in pretty extreme environments temperature wise, but as you said not sure if they've been used in a mobile situation. The whole reason I was asking for advice.
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-------- Original Message --------
Subject: [Electric Boats] Re: Battery choices
From: king_of_neworleans
To: electricboats@yahoogroups.com
CC:
Have you considered 8 6v 220ah GC-2 golf cart batteries? I got mine from Sams Club for $85 each, still going strong going on 4 years. They seem to be a really rugged battery, and the form factor works nicely for me. Much easier to handle than 8D or 4D. I often take mine down to 50% and I had to go down to about 30% a couple of times, but they keep chugging along and no apparent loss of capacity yet. I equalize every 6 months or so with a 62v charge to the whole bank though this year I plan to switch to equalizing individually.
While I am totally unfamiliar with the SBS 190F, I think that a battery designed to be jarred, shaken, stirred, vibrated, bumped, moved, jolted, sloshed and banged as well as very deeply discharged (for flooded lead acid cells, anyway) is likely to be better as a boat battery than something designed to sit in an office and seldom actually be used. Just guessing.
8Ds are popular, and I considered them but decided that golf cart batts were a better bang for the buck, and a lot more convenient. You might also think about L-16 size batteries if you want high capacity. Trojan makes one that is I think 420ah at 6v. (It looks kinda heavy!)
---In electricboats@yahoogroups.com, <mattkaine@...> wrote :
Asking the opinion of the hive, I am about to purchase batteries and trying to decide which option to go with. Money is always a factor so my brain tries to go the cheapest route and sometimes it works, sometimes it bites me. I have 2x options I am looking at right now:
1. 4x PowerSafe SBS190F 190ah 12v batteries for $210ea = $840
2. 4x Apex 8D 255ah for $329.99ec+$310 shipping = $1633
So it boils down to is it worth it to double the cost to gain those extra 47ah? The normal usage for the SBS 190F is UPSs in telecom, do you think they are unsuitable for an electric boat application?
Posted by: Matt <mattkaine@hotmail.com>
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