2.5 to 72 hours of constant brightness (up to 160 hours overall) with alkaline batteries. 6.5 to 21 hours of constant brightness with lithium batterie... More info »
Three 3W Maxbright LEDs fueled by a 10 cell Lithium Ion battery pack for serious power 6.0 - 50 hours of regulated burn time. 4 modes Visual distance ... More info »