The LitezAll LA-1000RFL is a 1000-lumen Tactical Flashlight packed with Details and delivers the performance you can rely on. It is a rechargeable flashlight that also Details a built-in USB power bank. Recharge your smartphone or tablet at home: in your vehicle: at the campsite or wherever you need a portable backup. The flashlight recharges with a USB connector that plugs into your computer: laptop or any A/C power adapter. A convenient USB charging cable is included that is used to charge the flashlight. The LA-1000RFL Details a 1000 max lumen high power setting for up to 2 hours of continuous light and a low power 300 peak lumen setting for up to 4 hours of continuous light. This rechargeable tactical flashlight is powered by a rechargeable ICR18650 battery rated at 2000 mAh at 3.7v. Portable power output is 5v - 1Amp at 6.4w. The flashlight takes about 5.5 hours to fully charge and Details an LED light that flashes during charging changing to a solid light when fully charged.