So can only connect the batteries are perfectly protected and maintain genuine long by ..I they used for Fenix Tk 75 2900 lumens ... even in turbo mode 1.5 hours no problem ..kann these batteries only know about me here would not save the battery grade Lithium ..man hears more and more that these cheap batteries also like to explode times or other ..ach almost forgot the batteries were purchased 4 summoned me to 20 percent,
