In this instructable I will show to "How to make a rechargeable led flashlight with an old mobile battery"?>>>
Step-by-step

Step 1: Things You'll Need!!

Two 1W Led
two heat sink (for led to cool down)
wires
mobile battery
mobile jack
soldering iron
solder
switch
small led (for charging indicator)
a resistor (for led)
a super glue

Step 2: Gluing Things....

Glue the parts with your super glue on the battery!!

Heatsink on one side
and
switch and mobile jack on the other>>>

Step 3: Soldering the Parts....

Now solder both 1W leds to each of the heat sink ...
Then cut two small peices of wire and connect them with the heatsink and then again cut a peice of red wire and connect it from heatsink to negative charge of the battery...

Now take a peice of blue wire and connect it to positive side of the switch...

Now turn for your small led (charge indicator)>>>>
Connect the positive leg of led to resistor and connect it to the negative side of jack....
then connect the negative leg of led to -ve side of switch.. Take a small red wire and connect it from -ve side of switch to +ve side of charge jack...
Take a peice of blue wire and connect it from -ve leg of led till +ve charge of battery...

Finished .....