Wednesday, December 27, 2017

Re:[Electric Boats] Re: Battery choices

 

Watering the batteries was one of the reasons I went with Trojans, their hydrolink?? watering system. Stick the hose in a bottle of distilled water & pump the bulb until firm. Pretty painless & simple. Cost $200.00
--------------------------------------------
On Tue, 12/26/17, Matt mattkaine@hotmail.com [electricboats] <electricboats@yahoogroups.com> wrote:

Subject: Re:[Electric Boats] Re: Battery choices
To: electricboats@yahoogroups.com
Date: Tuesday, December 26, 2017, 11:48 PM


 















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.





Sent from my Huawei Mobile







-------- 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?



























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