Review on SunSaver Charge Controller 12V 10A by Derek Pape

This controller works well. When I type this in the morning I get 13.53 volts on the SOLAR terminals and 13.40 volts on the BATTERY terminals. It's a hair under 1% voltage drop in the controller - not bad. I've never noticed that it feels warm, but just in case I put a metal heat shield between it and the wall. The indicator lights are annoying at night. I made a cover for it which works fine (just a piece of cardboard wrapped in black gorilla tape and drilled a few holes for the controller mounting screws) but it would be nice if there was an off switch. the lights. I believe the battery status indicator is just a rough guess. It is based on battery voltage and can easily be fooled by draining the battery quite heavily for a short period of time. It is best to install a separate ammeter.