I have an older Class B motorhome and have been thinking about solar. I can boondock now for 2 days before I have to recharge my 125ah battery. The only thing that draws power is the 12V fridge whic...
A fuse between panel and controller will not provide fusing safety. However, many add a fuse, just to be able to disconnect panel from controller. Whenever you disconnect the 12V battery, for example to work on 12V cabling, you will also need to disconnect panel from controller.
A 20A fuse must be installed between battery and controller. It's best to install that fuse by the battery. That locattion not only protects the controller but also the 12V cable.
Sal
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