Author Archives: dtiadmin

Build your own battery charging station

By Jeffrey R. Yago, P.E. CEM Let me guess – the reason many of you do not use rechargeable batteries is every time you need to recharge an electronic device you have to wait all day for it to recharge. … Continue reading

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Prepper power! Part 2

I discussed in Part 1 the many reasons why preppers need to think more long-term about providing reliable electric power. I also mentioned that while it’s nice to have a backup generator, you should remember any generator can fail, not … Continue reading

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Prepper Power

The interesting thing about being a “prepper” is most preppers don’t want anybody to know they are one! No doubt many fear they will be ostracized by friends and neighbors, whose only knowledge of preppers is based on “hit-piece” documentaries … Continue reading

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Flashlight! Flashlight! Who’s got the flashlight?

If the standard procedure for turning on your flashlight includes pounding 10 times on a table top, removing, then reinserting the same old batteries, and finally staring blankly into the unlit bulb, then perhaps it’s time to rethink how well … Continue reading

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Grid-tie solar powered farm

Most of my past articles described solar systems that included a battery or batteries to store the collected solar energy. There are many types of solar power systems with battery backup that can be connected to the utility grid. However, … Continue reading

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Add solar power to your truck camper

The recreational vehicle (RV) world is having a major comeback with the influx of baby-boomers. Today’s travel trailers, 5th wheels, and motor coaches now include everything from satellite television and central air conditioning to built-in electric fireplaces. However, these luxury … Continue reading

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Build a simple solar powered outdoor light

In this article, I will describe how you can build a simple solar powered light. This is not one of those inexpensive solar walk lights sold in garden supply stores. This is a commercial quality light that can easily illuminate … Continue reading

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Solar-powered refrigerators

There are a number of refrigerators and freezers now available that can be powered directly from a 12-volt DC battery and with a little extra effort, these cooling appliances can be powered by the sun. In this post, I will … Continue reading

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Build a solar-powered water pumping station

I recently designed a solar-powered pumping system for a local farmer wanting to pump water from a lake up to a watering trough for cattle in a distant fenced field. We have also designed larger systems to pump directly from … Continue reading

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Build A Solar Powered Outdoor Floodlight

This is not one of those inexpensive solar walk lights sold in garden supply stores. This is a commercial quality light that can easily illuminate a parking area, remote outbuilding, dark driveway, or large road sign. Figure 1 shows the … Continue reading

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