need help to build my back up concept

[ritaban]

can any one plz tell me make a led device which will cgare when current is  available and stop consuming current when full charged.

and when the light goes out eighter it autometically lights on..

or

the lights can be turned on by the same switch which would be used to switch on the ac connted tubes
. in this case if power available tube lights and bacup charges. if power is off, tube remains off but backups light up..

plz help me out..

 

[audioguru2]

Your English and spelling are horrible.
Why not ask questions about your country's weird power cuts on a website in your country in your own language?

Here in Canada the electrical company planned for future consumption and it works perfectly all the time.