The GC2s I purchased from Samsclub were Interstate batteries (branding changes from time to time and varies regionally) and they are holding up well after a couple of years. Not sure if prices are identical, but it appears you get a bit more amphours out of the Costco offering than Samsclub current brand although the increase is minimal. We shop both stores so we would go for whichever had the best bang for the buck at the time.
I am using a pair of Sam's Energizer 6V GC batts to power my trailer. My setup is powering a home fridge conversion plus furnace, plus some lighting. So far the Sam's GC bats easily power my TT for overnighting and while traveling without any problems. We have been doing this for 4yrs now and just need to add a small amount of water to the batteries.
For me, Costco is over one hr to travel to and my local Sam's is less than 20 minutes (each one way) which made the buying choice much easier.
I would look at the highest AH rating and the biggest Reserve capacity rating...
Two of the TROJAN T105s running in series which is probably the RV standard has an 225 AMP HOUR rating and will produce 12VDC at 25AMPS for a hugh 447 minutes (Thats 7.45 hours)
Finding specs on the COSTCOs and SAMs usually are hard to find. Pick the one that is the closest to the T105s rating.
The next thing to look for is which one has the best warranty.
My Posts are IMHO based on my experiences - PM me Roy and Carolyn
RETIRED DOAF/DON/DOD/CONTR RADIO TECH (42yrs)
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2010 F150, 5.4,3:73 Gears,SCab
2008 Starcraft 14RT EU2000i GEN
2005 Flagstaff 8528RESS
POPUP PHOTOs-Pg52-Pg56
Sams now carries " Duracell " brand. They have several models:
( •ONLY AVAILABLE IN AL, CT, DE, FL, GA, IL, IN, KY, MA, MD, ME, MI, MS, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, WV • )
I read somewhere on a forum, someone who had these stated it was stamped DEKA on the case.
$88
Model: Group Size EGC2
Item #:347631
•20 amp hour rate:230
•5 amp hour rate:174
•6 amp hour rate:178
•BCI Group Size:GC2
•Minutes at 25 amps:448
•Minutes at 75 amps:120
•Volts:6
$78
Model: Group Size GC2
Item #:347700
•20 amp hour rate:215
•5 amp hour rate:157
•6 amp hour rate:156
•BCI Group Size:GC2
•ContentsNE EACH
•Minutes at 25 amps:395
•Minutes at 75 amps:105
•Volts:6
The also have a AGM 6 Volt under the Duracell brand:
$159
Model: Group Size GC2AGM
Item #:401742
•1 amp hour rate:103
•100 amp hour rate:220
•20 amp hour rate:190
•3 amp hour rate:145
•5 amp hour rate:163
•6 amp hour rate:167.8
•8 amp hour rate:173.7
•BCI Group Size:GC2
•CCA at 0 degrees F:680
•MCA at 32 degrees F:900
•Minutes at 15 amps:718
•Minutes at 25 amps:409
•Minutes at 5 amps:2304
•Minutes at 50 amps:171
•Minutes at 75 amps:94
•Minutes at 8 amps:1409
•Reserve Capacity:380
•Volts:6
The also have a 12volt golf cart battery:
$184
Model: Group Size GC12V
Item #:401749
•20 amp hour rate:155
•BCI Group Size:GC12
•Minutes at 25 amps:292
•Minutes at 56 amps:110
•Minutes at 75 amps:77
•Volts:12
11 Chevy Silverado Ext.Cab Z-71 4x4, 5.3 v8, 3:43 w/locker, Factory tow package, Equal-I-zer 1200#, Curt Class V Receiver
12 Cougar XLite 27RLS ( 960# Tongue, 6740# Gross as loaded)
Just the Wife and I.
RoyB writes "I would look at the highest AH rating and the biggest Reserve capacity rating..."
I would somewhat agree with that, however when I was calling for prices Trojans at the time were DOUBLE the price of Sams. Doesn't make much of a bargain when I could just buy four Sams batts if I wanted over the top capacity.
"Finding specs on the COSTCOs and SAMs usually are hard to find. Pick the one that is the closest to the T105s rating."
Not hard to find, just have to visit the store, that info IS posted on the batteries.
"The next thing to look for is which one has the best warranty."
Warranties tend to be worthless, they are prorated which means after 90 days you would get only 60% of the purchase price and after one year 40% and after that 20%, 10%. The batteries with the longest warrantees are also the most expensive to boot.
Buying on warrantee length is false economy, you ARE paying for the replacement upfront if for any reason the battery fails from poor WORKMANSHIP or MATERIALS. It does not cover abuse which often will happen to most batteries.
With proper care and feeding there is no reason as to why most GC batts would last 6-10 years before losing enough capacity to warrant replacement.
The green top Costco batteries have no info on them. I weighed them at 67 pounds which is the same as the interstate golf cart and since they look identical that is what they are. 232 amp hours.
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