Luckily for off-gridders, homesteaders or preppers, if your grid will somehow ever go down, you can generate your own electricity. Watch the six part video series bellow and you will deeply understand how to create your own solar back-up system when your grid collapses.
The first part of the series examines your needs with regards to the size and design of your system. The second part helps you decide on the necessary batteries. In the third part you are made aware of things that you need to consider when installing your solar panels. In the fourth part of this DIY series you can assess how to properly wire your solar panels. In the fifth part, you are introduced to popular types of charge controllers, PWM and MPPT, and you can see exactly how they both work. The last part explains the battery box and some safety items.