Emergency light for 15 hours of operation

Country and country life is full of unexpected surprises. The gas will be turned off, then the water will be blocked, and then the electricity suddenly disappeared somewhere. A dull and boring pastime will help brighten up a stand-alone LED lamp that anyone can do at home.
Emergency Lamp for 15 hours of operation
Of course, this option is unlikely to fit as a source of basic lighting. However, it also has a number of indisputable advantages:
  • Bright luminescence;
  • Long life of the LED - about 50,000 hours;
  • Wide angle of illumination - 120 °;
  • Convenient metal holder that allows you to set the desired angle of lighting;
  • Lack of heating of the case and protective glass;
  • Low power consumption.
Modern LED luminaires such as spotlights are lightweight, unpretentious to dust, shock, and even waterproof. Their metal case is reliably protected from corrosion by anodized or chrome-plated coating.They are often used to illuminate buildings, architectural monuments, billboards. Well, in the household, such a thing is simply irreplaceable, and you will see for yourself now.

Necessary details

work First of all, we combine our batteries in a separate unit of 12 pcs. You should have 3 rows of 4 batteries. The extreme rows are exposed anodes (+) up, the middle row of cathodes (-) up. Batteries should fit in plastic holders, and organize such a unit.
Emergency luminaire for 15 hours of operation
Next, you need to take the metal bus and solder the contacts of the anodes and cathodes on both sides of the unit in series. Contact welding in this case is ideal, but solder with flux is also suitable for such work. On one of the sides, the ends of the metal bus at the extreme rows must be left a few centimeters to work with the protective board, the rest should be cut off. Connection diagram to the controller.
Emergency light for 15 hours of operation
Emergency Lamp for 15 hours of operation
The middle row is also propaing according to the scheme depicted on the protective board. By cutting the tire contacts to size, we solder the protective stabilizer board in place.
Emergency Lamp for 15 hours of operation
Emergency light for 15 hours of operation
We are doing the second block completely by analogy with the first one.
Emergency luminaire for 15 hours of operation
To fix the electrical part of our device, we will need a case from a non-working power supply unit of a stationary computer. We disassemble it, completely freeing from the filling.
Emergency luminaire 15 hours
us isolate our blocks insulating tape, leaving bare the contacts of the compound, and by double-adhesive tape are interconnected by mounting them to the apparatus body.
Emergency Lamp for 15 hours of operation
We mount a four-way switch on the side of the power socket, on the reverse side there are connectors for the adapter, connecting the outgoing ends of the protective boards and the pins of the connectors.
Emergency light for 15 hours of operation
We connect the adapter to the connector and check the performance of our charger. One of the contacts, for example, the anode is let through a switch, the second is connected directly to the projector.
Emergency luminaire for 15 hours of operation
Mark up the fixture of our searchlight on the case of the power supply. Holes can be made with a drill and a drill of a suitable diameter, fixing the lamp on the bolts.
Emergency luminaire for 15 hours of operation
Check our device, and assemble the case together on the bolts.
Emergency luminaire for 15 hours of work
So, with minimal investment and from old parts, lying in the storeroom or on the balcony, you can assemble an excellent lamp that will help out if there is no electricity at the cottage, country house or even in your own apartment.

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