Which company manufactures a battery is absolutely no indication of
quality. They build to whatever specs and price point are demanded by
the customer. Sears and Walmart batteries off the same assembly line are
not the same battery. You can imagine what the specs and price point
considerations are for Walmart batteries. Also understand that part of
the "cost" of any battery is the carefully calculated cost of providing
the warrantee. An long warrantee is just more money that was not spent
on the quality of the battery itself. Some places have batteries that
are internally identical, but come labled as 12 month, 36 month or 60
month batteries. The difference between these batteries is the price of
the warrantee and nothing else. This is not some dark secret that I am
revealing for the first time to the world.
"Dual Purpose" batteries should never be used where a deep cycle battery
is called for. They are not really deep cycle as far as tolerating
repeated discharge-charge cycles. The only exception is that Deep Cycle
AGM batteries can be used for starting, as they have low internal
resistance, and are not strained in the least by starting a small diesel
engine. The other advantage of AGM is they charge faster and easier.
That is also due to their lower internal resistance.
Bill Bina
On 10/1/2014 8:39 AM, Jack Brennan via CnC-List wrote:
I used to be a big fan of Sears Diehard batteries. The last set I had
was junk. They only lasted three years and didn't perform that well,
needing more frequent charging than the replacement pair. (I bought
these from my marina; Interstate marine batteries, I think.)
Jack Brennan
Former C&C 25Shanachie, 1974 Bristol 30
Tierra Verde, Fl.
-----Original Message----- From: Rick Brass via CnC-List
Sent: Tuesday, September 30, 2014 11:22 PM
To: Wally Bryant ; cnc-list@cnc-list.com
Subject: Re: Stus-List Boat Batteries
Wal,
What you say is perfectly true, but...
There are deminishingly few battery manufacturers in the US because of
the impacts of environmental and OSHA regulations. And for the past
decade or so Walmart batteries have been made by Globe Battery Div of
Johnson Controls. They also make batteries for Interstate, NAPA, and
the Sears Die Hard, among others.
Walmart and Sam's Club offer very good pricing, the lowest in my area,
and good quality. The 115AH group 27 deep cycle batteries in my 38
were installed in 2006 and are still going strong. ( the batteries in
my 25 were bought in 2003 and may need to be replaced soon on general
principles) They were rated at 25AH more than the 27 deep cycles from
West Marine, and cost less than half as much. Plus they had a 5 year
warranty instead of 12 months.
My experience with deep cycle batteries from Walmart has been very
good, and I have no qualms about recommending them.
Rick Brass
Sent from my iPad
On Sep 30, 2014, at 20:04, Wally Bryant via CnC-List
<cnc-list@cnc-list.com> wrote:
And I don't want to sound cynical, but WalMart doesn't manufacture
anything. With the purchasing power that they have, they can dictate
terms to any supplier. And they do. The battery that you get from
WalMart or Sam's Club this year can be entirely different from the
battery you'll get next year. It might look the same and have the
same label...
Wal
you wrote:
Consumer Reports rated the Walmart batteries very highly.
--
s/v Stella Blue
www.wbryant.com
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