Convoy 3X21E 519A High Performance LED Flashlight 12000 Lumens Rechargeable by 21700 Battery for Camping and Hiking

Specification Basic introductionConstructionMaterial Aluminium alloy body Stainless steel bezelLens type 3 pieces 10degree bead lens and 1 piece ar coated glass lensLED typeNichia 519A R9080 LEDLED MCPCB made of copper 57mm diameterDTP thermally conductive structure 3 0 W m K thermal grease below the MCPCB Head structure integrated type Best structure for conducting heat but please note that fast heat transfer does not mean fast heat dissipation which depends on the surface area of the flashlight Switch The electronic switch is located on the sideof the head pay attention to the flashlight using the electronic switch has standby current if it is possible that you will not use the flashlight for more than a week please loosen the tail of the flashlight to avoid the risk of battery damage Tail 3 pieces nickel plated phosphor copper springinside each one can bear 20A current Electrooptical parametersDriver output FET Max current output 54ADriver efficiency 85 Charging 5V 3A Type C portMode See below for detailsFlux max 12000LMIllumination distance 100 meters estimated by the naked eye data for reference ANSI standard Related featuresLow voltage warning YesReverse polarity protection No Make sure that the positive poles of all batteries are facing the head of the flashlight Reverse charging functionNoMode memory YesTemperature control function Yes As the temperature rises the current will drop slowly but this does not mean that the surface of the flashligh