solar panels for electricity What is the cost-benefit ratio? This is a sweet set up! Charge controller and battery expense and I'm guessing the 55 watt mono solar panel, controller and battery is. 400 dollars just guessing?
Lithium Iron Phosphate (LifePO4) Solar Storage Battery Bank
Build Your Own Solar Panels - How to build a single panel or a complete array of panels to power your home for a fraction of retail cost. Probably easier said than done, but what the heck, let's pin it.