This is my Experiment of Room Light. I have used High Efficiency LEDs to achieve good light by utilizing less energy. I have found 1/4 watt highly efficient crystal bright LEDs. These LEDs are little bit expensive but provides good light using less power.
Here is Circuit Diagram for LED Light usiang 12 V input

Here is my LED Room Light

I have tested the LED light it gives good light for a single room and can run almost 30 hours standalone on a small 12V battery

Everything is quite simple its easy to get these crystal bright LEDs from electronics market, no additional component require.















what is the cost of 20 LED
Pakistani 200 Rupees
Dear sir,
send me more link & led related circuit..need ur contact..
Regards,
zain
Zain here is one more circuit for LED Tubelight
http://farazahmed.com/220v-led-tube-light-for-home-119.aspx
Best Regards
Faraz Ahmed
NICE ONE…UPLOAD SOME MORE PROJECTS PLZ
Dear Faraz
I just go through your site and found very nice and really appriciate. mujhay bhi zayda tu nahi pata but i do take pangaz.
Can you upload the system to recharge the 12 and 6 v battery from 12 v converter. as i have converter from AC to 12 volt.
Hope that i can get solution from you.
Regards.