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$84 for that Cosco battery sounds pretty good. I purchased 2 of the 6v 232Ah directly from an Interstate supplier for about $150 each but got a credit of $25 for the old core so $125 OTD cost. -
Yes, now I don't need to worry about shipping or returns. I forgot to ask them what the Costco warranty was for those batteries. What really surprised me, is that the premium batteries like the Trojan RE or Industrial, when compared at a cents/kWh are not better than the Premium brand T-105. I did find an online advertisement for T-105-RE on sale for $125 which was a very good at 11.57 cents/kWh, but I don't think they can always be had for that price. Costco Interstate is 11.09 cents / kWh, it is local and convenient.
I do wonder if I can trust the Interstate claim of having a better cycle life than T-105, though.Leave a comment:
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nice news. I'm about to install a remote system using 4, 6V costco golf cart batteries for a 24V systemLeave a comment:
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Costo Interstate Battery best price/performance of any Flooded Lead Acid Battery?
I got an email from Interstate in response to my question as to their claim that they had the best cycle life in the industry for golf cart batteries. The Costco Battery is $83.99 and in a follow in question specifically asking if the Costco battery had the same cycle life, the answer was yes.
What is surprising to me is that when I do the same analysis of cents / kWh based on cycle life, even the Trojan Industrial batteries don't have as good of price/performance. I am calculating 11.09 cents / kWh for the Costco Interstate golf cart battery.
Does anyone know of a lead acid battery with better performance measured in cents / kWh?
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Thanks for contacting IBSA,
The 650 cycles you are referring to is at 80% depth of discharge (DOD), at 50% DOD it’s approximately 1220.
The Costco 6 volt is the more economical version of that battery with 207 AH whereas our XHD has 232 AH. Depending on your needs we also have the UL-16 battery with 380 AH of capacity.
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