Tommy at off grid nation has a a great hybrid system. Czech it out at https://steemit.com/solar/@offgridnation/homestead-hybrid-solar-project-part-5-are-we-done-yet
Tommy gives a really good explanation of all the parts. Zac maybe able to install a hybrid system of his own using this example. This clip is somewhere near the middle of the explanation, you can go earlier or later as your comfort merits.