Multiple dual battery chargers available. They worked fine for about two months, then they started flashing and stopped charging the batteries. I noticed this while hiking when my battery voltage dropped. It tells me there is a short in the PV lines or batteries, after checking for voltage and checking the system for problems I found nothing. I connected the charge controller to the snack bar on duty and everything works. No advertised or advertised technical support and no warranty information. I've ordered another one to replace the bad controller, hopefully it will last longer, or I'll just swap out for two separate controllers and throw that one in the trash. Disappointed but while working it was nice. The remote display is very handy but doesn't tell you the problem, you have to crawl and look directly at the LEDs.
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