Instructables

LED Emergency light

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Here is simple steps to convert your Rechargeable Emergency CFL light to LED  for  just 1 $



converting CFL to LED it can work up 8 to 10 Hrs. and you will be saving total energy of 75%.
 
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Step 1: Step 1. Material

Picture of Step 1. Material
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Existing emergency light , I had is SUNCA rechargeable  cfl light with 6 volt 4.5 ah smf battery. 2 x 6 Watt CFL

1.Power LED 1 Watt  with heat sink  - 5 Nos  x 10  =  50  Rupees
2.Resistance 10 Ohm  5 watt or 4.7 ohm 5 watt for more brightness - 1 No. x 5  =  5 Rupees

total cost is Rs. 55  in India , around 1 $ in US

Step 2: Step 2 - Circuit Diagram

Make the changes in wiring as shown in Circuit diagram. Radio, cassette player kept as it is, only CFL power is disconnected. and Bulb & 2 CFL has been removed.

Step 4: Step 4 - Finishing

After completing wiring check for dry solder loose contacts etc using multimeter . Then switch on Emergency light to test the LEDs are working fine, then close the acrylic cover .  Now here it goes Live.
Rahib1722 months ago

I have this model of emergency light which does not have bulb option! so from where i can power my LEDs ? please guide me thank u :)

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mahadevrm (author)  Rahib17213 days ago

Hi Rahib you can draw power from "Disconnect CFL connection" point as i marked in my circuit diagram

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