Charge controller sizing for solar panels, watts & amps. How to do the math and figure out what size charge controller you need.

There are 4 main building blocks in a basic solar power system diagram. Here’s what they are, and what each of them are for…

How I calculated the total Amp hours and Watt hours of my off-grid battery bank

What if the power goes out, can you keep warm? Can you still heat your house? How would you do that? Here are some thoughts…

Look at these charts which show how the Energizer Lithium AA battery outperforms alkaline chemistry. It’s obvious! Capacity – Temperatures…

If you’re in a snow zone, consider your solar panel snow removal methods, whether they’re on the roof, or ground mounts…

I review two good choices for a solar battery charger AA size (and more). One is a standalone unit. The other, folding solar panel & charger unit.

A chart of battery voltage versus State Of Charge, SOC, percentage and Specific Gravity for 6, 12, 24, and 48 volt battery banks.

Comparing Lithium Iron, Nickel Iron, and Lead Acid batteries for Off-Grid energy storage. Chart reveals important factors to consider when choosing.

Instructions how to make your own diy Olive Oil Lamp (vegetable oil lamp) with a coat-hanger, wick, and a home canning jar.