![]() In other words, you should be able to use your battery 1,220 times in its lifetime, as long as you don’t discharge it too much.Īt this rate, you’re looking at about $0.11 for each kilowatt-hour of electricity you can pull from the battery over its entire lifetime: Interstate batteries come with a full replacement warranty for 6 to 12 months, depending on the model.Īccording to an Interstate rep, their Costco battery is able to cycle 1,220 times to 50% depth of discharge (50% discharge is the typically the recommended amount of discharge before you should charge the battery back-up). The models above are about 10.5”L X 7”W X 11”H and weigh 58 pounds. These stats are very similar to two of Interstate’s direct offerings: the value-minded PF-GC2-UTL deep cycle battery and their more-premium high-cycle GC2-HCL-UTL, both of which are around $150 – much higher than Costco’s offering. Capacity: 210 amp-hours at 20 hour discharge rate (the standard rate for deep cycle batteries).So right off the bat, that’s great news.ĭetails for the batteries aren’t available on Costco’s website, so I actually called up our local store today (Arvada, CO on October 13, 2017) to get details on the battery. ![]() While Costco might put their private label on the golf cart batteries they sell, the batteries are actually made by Interstate, a well-known and respected battery manufacturer. This really isn’t an issue, though, and is a common tactic for DIY solar enthusiasts (some batteries even come in 2 volts!).įor more information on voltage and connecting batteries, read over our article Wiring Solar Panels in Series vs Parallel: Which Is Better? Specs of Costco golf cart batteries Golf cart batteries, marine batteries, and batteries specifically designed for renewable energy projects all have this key feature.Ĭostco’s batteries – like all golf cart batteries – are 6 volt, so you’ll need to buy at least a pair to create a 12-volt system. Unlike your car’s battery, which puts out a high amount of electricity for a short period of time (to allow your car to crank), deep cycle batteries are designed to give lower amounts of electricity over a longer time frame – perfect for back-up power! ![]() Golf cart batteries are deep cycle batteries designed for heavy, long-term use. Turns out, they’re actually a pretty good deal! Can you use Costco golf cart batteries for solar? You can find references to this idea in a few different forums, but we decided to take a bigger dive to get the scoop on whether Costco golf cart batteries are worth our time. You might’ve heard that Costco sells decently-priced golf cart batteries that are great for solar applications like small off-grid systems or campers. Can You Use Costco Golf Cart Batteries for Solar? Is there an affordable battery backup option for your solar array at your local warehouse store? ![]()
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