Beat load shedding: Keep your internet & Wi-Fi on!

2015-07-06 22:29

Load shedding has opened a flood gate of solutions to keep the lights on uninterrupted at home. Most of these products are hellishly expensive and overpriced. Made of the cheap options are downright unreliable and can cause damage to your expensive devices. With so many products and promises bombarding us with a multitude of terminologies and buzzwords, it can quickly become overwhelming. But the truth is that you do not need to blow a fortune to install reliable, safe and maintenance free backup power at your house or guesthouse. I am an electrical engineer and in a series of articles I will set the record straight, showing you the cheapest solutions available that delivers high quality.

By following these simple DIY instructions, you can build a very useful power backup device for load shedding or even camping. Here is what you will need:

  • Battery backup PSU (12V, 7.2Ah) ~ R320
  • Vehicle 12V socket outlet ~ R30
  • Vehicle universal power adapter ~ R100

Here are just a few examples of equipment that can be plugged into the device.

  • ADSL & Wifi Internet router
  • Ipad, tablet and smartphone chargers
  • Led lights
  • Inverter running a radio, lights, baby monitor, etc.

The major advantage of this setup is the fact that you can leave your device plugged into the power supply. If the power fails, the battery will kick in automatically without any interruptions. When the power returns, your device will be powered again from utility power and the battery will automatically recharge, ready for the next power failure. Low maintenance and highly reliable! The second great advantage is that the unit is compact, modular and easy to carry around. You can even pre-charge it at home and take it camping!

DIY Instructions

This simple solution is demonstrated and explained in the following video.

The power supply unit (PSU) has a 12V outlet which stays powered on even when load shedding strikes. I have installed a car cigarette lighter socket in the PSU. A multitude of devices can be plugged into the cigarette lighter, from led lights to radios and internet Wi-Fi routers. A universal car power adapter can be used to power a variety of DC devices such as baby monitors, Ipads, smart phones, etc. The solutions is fantastic since it is simple, reliable and modular. You can plug different devices into the cigarette lighter socket and easily carry it with you on a camping trip.

For further detailed instructions to build this setup yourself, you can visit The Blog of my Guesthouse in Port Elizabeth | Umoya Cottages.

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