I used one of those pwm desulfator things and some form of lead acid water conditioner I added when I first bought the interstates as blems from the interstate dealer in 2012 for $50 each. Our improved technology means fewer battery replacements and a longer life so you can focus on what really matters. From campgrounds and corporate campuses to golf courses and universities, our batteries for electric and gas-powered carts have been engineered with one thing in mind: longevity. Interstate offers golf cart batteries in three voltage choices. the powercells test better than the 11 year old interstates which are now really kind of failing with the load tester but im amazed they lasted this long especially since there was a whole year they were neglected and got down to like 4-5v each with very low water levels. Features Made for running in a series and ideal for use in golf carts Premium technology results in longer life cycles and superior performance High-. Go the Distance With Interstate Golf Cart Batteries. I have 2 interstate from 2012 along with 4 powercell? i think from 2014 I just pulled from my cart that I pulled from my solar rv power to use in testing on my cart before upgrading to 48v lithium. Specifications: Dimensions (LLength x W Width x HHeight) : 26.4 cmcentimeter x 18.3 cmcentimeter x 27.7 cmcentimeter( 10.39 in.inch x 7.20 in.inch x 10.91 in. 2,12788 (265.99/Count) FREE delivery Fri, May 3. The Costco GC2 is built to last, with high-density active material and specially formulated grid alloy that enables it to withstand the stress of repetitive cycling and vibration. Not sure if they make them like they used to but if they do that’s a good thing! PowerStar US Battery Golf Cart 6V Battery: GC2 Group Size, 232 Amp Hour Capacity, Deep Cycle, 8 Pack. 6V Golf Cart Battery, 210ah BCI Group GC2 Deep Cycle AGM Scrubber Battery. I have also seen Interstates last 7 or 8 years.

They had quality posts on the top, unlike the common junk batteries around here.

Interstate 6v golf cart battery