My power setup

At my dads cabin at Lake Louise, Alaska, we have four Arco 75 solar panels. They produce 75 Watts of power and have a 20 year warranty on them. We have been using them for about 12 years now and they still work great. we have gone through about 6 sets of battery's. The battery's (two car battery's wired in series) are always charging, and durring summer we have a radio playing to help with bear deturent so they dont tear the place up when we are away. (more to come later)