Introduction: LED Emergency Light
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
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 3: Step 2 - Assembling
Solder LEDs carefully , LED are heat sensitive , connect wiring as shown in circuit diagram. Apply little glue to LED heat sink base to fix LEDs.
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.