Project: Solar/Wind PIC controlled battery array

This is a system to keep up to 4 isolated batteries charged from a single solar/wind power generator. It's using aPIC18F8722 Microcontroller from http://www.futurlec.com/PIC18F8722_Controller.shtml as the controller with software written in C18 from Microchip. Most of the parts came from junk from old equipment at work but I need to...