Obtain equipment and supplies to build a solar charged battery bank and energy supply setup that will provide a contingency source of electricity to power essential appliances, lighting, security implements, and electronic conveniences.
Solar Panels
Panels are classified by watts. Small portable (fold-out) panels may range from 5 to 100 watts while larger stationary panels could range from 50 to 1000 watts each.
The + & – solar panel wires will be wired into the controller’s + & – input ports.
Solar Controller
A controller manages the incoming energy the panels obtain from the sun and safely optimizes the electricity to be directed to a battery.
Power supply + & – wires will be wired into the controller’s + & – output ports and then wired to a battery/bank.
Batteries
There are many battery systems designed for charging from solar panels but the cheapest and most easily obtained batteries are 12v marine deep cycle batteries (about 1000 watts or 100 amp hours) found at auto part stores or supermarkets. Avoid starting/cranking batteries and use caution not to drain the battery below 50%.
For a 24v series, wires will be run from battery to battery alternating terminals from + to – with the remaining – & + terminals reserved for the load to be powered. For a 12v parallel, wires will be run battery to battery to the same terminals such as + to + and – to -. The load can be wired to any battery in the parallel.
Battery Bank
Battery BankWire 2 or more batteries together in a parallel (more amps) or series (less amps, requires inverter) to create a bank of batteries. Parallel offers the best options for an offgrid or backup scenario allowing you to directly power 12v accessories without an inverter, but it’s not as efficient for longterm use.
Wire your battery bank to your inverter either from any battery in the parallel or from the load end of a series. In some cases, you may need to wire the controller directly to the inverter with a separate wire connected from the controller to the battery bank
Inverter
The inverter will convert the electricity into the proper current such as 110v (common household appliances/electronics) which will turn your DC power into AC.
This article was originally written by the Grayman Briefing. Stay in the know, sign up for Intel and Situational Awareness alerts pushed to your phone on emerging threats and preparedness warnings. Click HERE to subscribe to the Grayman Briefing.
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