That is a great price for a dual battery box. My testing last summer showed me that the increased draw from the 12v fridge and going from a 130w to 105w solar panel were insufficient for more than a… (View Post)
If you have a hum, contact Progressive and they will send you a new one if you can produce the receipt. I had the hum and they replaced mine. The new one had no hum. (View Post)