Off Grid Living: Solar Powered Lighting
Systems for Off Grid Cabins and Sheds
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How to Install Off Grid Solar-Powered Lights
One of the first things you’ll learn when camping or off grid living is that without electricity, it gets dark quickly.
But solar power is a great way to provide a wide variety of lighting and security systems that will let see what is making that big bumping sound in the backyard at 2:00 am in the morning.
How Off Grid Solar Lights Work
Solar spotlights are powered by photovoltaic cells, which convert sunlight to electricity on the atomic level. Each cell contains a thin, flat semiconductor panel with a positive charge on one side and negative on the other. Sunlight causes the semiconductor’s atoms to blow apart, releasing electrons; the electrons are recaptured as electric current between the positive and negative charges. The electricity then travels through a cable to power the spotlight. Solar energy is also stored in the interior battery for use at night or on cloudy days.
Uses for Off Grid Solar Security Lights
Solar spotlights are particularly useful in illuminating outdoor spaces where traditional extension cords or bundles of wiring aren’t practical, such as in formal gardens, large open lawns or residential entrances. Newer models offer light emitting diodes (LEDs), which illuminate more effectively and efficiently than old-fashioned incandescent bulbs. Whether you choose to light a wide area from above or train the beam from ground level on an individual object, such as garden statuary, you can easily install individual spotlights without hiring a professional contractor.
Best Places to Install Off Grid Solar Lights
The foremost concern with installing solar spotlights is ensuring that enough sunlight reaches the photovoltaic cell. Spotlights today usually feature a long power cable between the cell and the actual light, so you can place the cell in a sunny spot that receives about eight hours of light a day, and position the spotlight where you want it.
For ground-level lighting, stake the cell in the ground so the cell faces the brightest sun, and then stake the light in the ground a few feet away from the object you wish to illuminate. Train the beam upward to focus on the object.
Mounting solar spotlights over entrances, garage doors or decks involves screwing the light’s baseplate into the vertical wall or post over the area you want to brighten, then angling the light’s beam downwards. With these types, the solar cell may be attached to the light’s hood or via a power cable; in both cases, the cell still needs to receive sufficient sunlight for operation.
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