You had the driver efficiency, temperature coefficient, battery efficiency/capacity vs current drawn neglected.
The true value of either runtime or output will be lowered
Search any of the flashlight review and take a look at the output-over-time graph and you will have a hint.
You need a gun but not the strike bezel
The const high on LX2 needs quite a pressure to sustain and it makes my fore arm tired, like gripping your fist for a long time
E2DL is more "tactical" than LX2 IMO, i own both, tho they have just raised the price from 189 to 235
Um how about Sunwayman T20CS 82hr on 18lm
It outruns your EC25 in almost every way (Except beam profile and output, EC25 is floodier,Bezel of T20CS can be removed for mule-mode; one 18650 could not sustain 860lm of EC25 for long time i guess)
Please be reminded that water is semi-transparent to light, meaning only a small portion of light is getting reflected to your eyes
Explicitly, you will need more throw/lux to light up the surface of water compared with a wall or anything solid
Like what we flashaholics love to do, shining a...