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We are going to take a long run time flashlight (65 hours) and turn it into a longer run time flashlight (Update: The title of this Instructable sa...
You will need to unscrew the black ring that hold the clear plastic cover on the front of the flashlight. Then remove the assembly shown in the pict...
Now lets select a resistor. I chose a 56 ohm resistor which reduced the current in the circuit going to the 3 LEDS to 50 milliamps (it was 180 milli...
The first picture shows the light from an unmodified flashlight on the left and a modified flashlight on the right. Note that the light on the right...
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