... 1000-1200Lm long range portable flashlights Extreme Range: 600M Battery: 3 x 18650 (2200mAh) Lithium Battery 1: LED Chipset: Luminus SST-50 ... 5.5-12V, Max: 15V, double Li-battery protect;Current: LED whole course constant 5A, voltage step-down circuit input about ... , explore, trip and so on. SST-50 1200Lm High Power Rechargeable Portable LED Flashlight