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Question:

Who can tell the difference between the LED flashlight, the wick XML and the previous ones?.

Who can tell the difference between the LED flashlight, the wick XML and the previous ones?.

Answer:

The XML series is the CREE company in the United States shortly before the launch of the LED fans dubbed it as "Little Donkey", its characteristic is: high brightness (XML-T6 to 860 lumens), high power consumption (XML-T6 full power drive current 3A), low turn-on voltage, the luminous efficiency is high, should pay attention to the problem of battery capacity, contact resistance and heat dissipation of normal use.
Personally think that the XML series is only CREE market segments products based on R series, by increasing luminous core area, large current and high power to improve the brightness, the material technology, there is no big breakthrough, the full load efficiency is not too high.
CREE company for the LED flashlight, from old to new, broadly divided into: P series, Q series, R series, XML series, with each generation, P series almost eliminated, which belongs to Q series, R series of typical, Q series for the early core, later changed to a small core, mainly the difference between Q and R series is: the former light efficiency and low turn-on voltage, high - performance, high light efficiency, the turn-on voltage is low and the floodlight performance is good.

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