Garret Towne July 8, 2016 Class B, Example Projects 7/6/2016 – Pleasure Way Sprinter, 24' Garret Towne July 8, 2016 Class B, Example Projects This relatively simple installation involved 200W of solar through a PWM charge controller onto two AGM batteries. We added a 150W inverter for device charging along with a 12V/USB outlet.