Derringer performance

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Doug Owen

Flashlight Enthusiast
Joined
Jan 30, 2003
Messages
1,992
Gentle Friends,

Below is the raw data I just got from my brand new Derringer, please review it and let me know 'what you see':

V in I in Fc
4.50 122 23.7
4.40 113 22.5
4.30 103 21.2
4.20 094 20.1
4.10 086 18.9
4.00 077 17.6
3.90 068 16.1
3.80 060 14.7
3.70 051 13.1
3.60 042 11.5
3.50 035 09.8
3.40 028 08.2
3.30 021 06.5
3.20 016 05.0
3.10 011 03.5
3.00 007 02.3

This is in the 'high' mode. FWIW, I got some light down to about 2.5 Volts (less than one mA), but the microprocessor was 'dead' (it wouldn't change modes). You can also see that the mid and low levels are duty cycle controlled by waving the flashlight around.

The maker estimates 25 hours run time in this mode "calculated from fresh AAA alkaline batteries of 1375 mah capacity. Assumes running continuously with light not falling 20% below fresh battery output".

Thanks in advance.

Doug Owen
 

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