Charge controller sizing for solar panels, watts & amps. How to do the math and figure out what size charge controller you need.
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.
Here are the lowest cost candles for preparedness – cost per hour comparison of Tea light, Votive, Taper, and Pillar style.
Here’s why most grid-tied solar systems don’t work when the electric grid goes down. Many are surprised to discover this.
The advantages of Lithium-ion batteries for solar powered Off-Grid energy systems are tempting! The Iron Edison Design Team lists 8 reasons to consider.
30 year life, 80% depth-of-discharge, wide operating temperature environment, low maintenance, other factors, translates much lower costs than lead acid!
List of all 50 states and their average energy consumption per home. It’s a good basis to start from for off-grid alternative energy system design.