Instructables
Picture of 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.
DIYTech9 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)  DIYTech7 months ago

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

DIYTech mahadevrm5 months ago

You mean directly, from the positive pin of battery?

ali3215 months ago
please tell me that resistance should be in series or parallel and if i want to power 6 leds then what will be the value of resistance?