No 8500 lumens, but still damn light ...

No 8500 lumens, but still damn light ...

TrustFire TR-J18 8500 Lumen 7 * CREE XM-L XML T6 LED Flashlight for hunting, cycling, climbing, camping
Buy at Amazon.com

Customer Review

In some China products in the technical data is often "exaggerated" something verkäufsfördernd.
Well, who can read and calculate because a CREE XML-T6 has according to manufacturer data sheet a luminous flux of 280 lumens at 700mA rated current, resulting in 7x280Lumen a luminous flux of 1960Lumen results.
In the "Boost" mode you can see the LEDs, with appropriate cooling, operate with 1500mA, achieving the double luminous flux of 3940Lumen.
For very, very short pulses (eg flash in mobile phones can operate the LED even with 3000mA and reaches 3.2 times luminous flux (6272Lumen).
I do not know how the manufacturer / seller at 8500 lumens comes, especially other components can limit the power (LED drivers, battery).

Nevertheless damn light ...
Furthermore, good light, wishes Markus

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