Inside Poundland's electric fly zapper bat. (with schematic)

I'm pretty sure I've looked at one of these before, but there's no harm in opening another one.
This one appears to have skimped a bit on the output voltage, so it doesn't seem to work well on tiny flies, but does work on larger bugs.

The output discharge resistor is actually 22 Megohm. (red,red,blue - 2, 2, 6 zeroes.) That makes more sense than the 2.2Mohm value.

I did a thermal test on the transistor and it only clocked in at around 30C so it's not being run too hard. I didn't test the battery current as I couldn't get my DC clamp around a primary current path.

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