I found this review on one of my favorite flashlight related pages. Although it is written in German language, you might want to use Google Translator for an English translation:
http://translate.google.com/transla...eview-eagletac-g25c2-mkii-1030-lumen-max.184/
http://translate.google.com/transla...eview-eagletac-g25c2-mkii-1030-lumen-max.184/