Costco GC2 Batts
Well, One of my 4 year 4 month old GC2s from Costco just coughed up a cell during a cold Coast camp trip!! Sure I could buy another $86 Batt,, but I would still have a 4+ year old one.. Ordered two ...
Forum Discussion
The Costco and Sams Club GC2s are Interstate branded and made by US battery. They require a 15.3 volt absorption charge which is no easy task. Your stock converter or stock solar charger controller will mean a short life. If your are going to go the GC2 route you have to study up on the getting them properly charged and buy a good solar charge controller and probably something to properly charge them when it's cloudy or in the winter.
Interstate GC2 charging specs
Interstate GC2 charging specs
