It is a CCFL (Cold Cathode Fluorescent Light ... The LED strip is simulated with ordinary diodes (1N4148), such that at 100 [mA], the voltage is about the same as measured for the LED strip. The ...
[HammyDude] was tired of buying replacement batteries for his power tools. He had some Lithium Polymer batteries on hand and decided to take one of his dead drills and swap out the dead power pack.