How is the brightness of the flashlight?

The brightness of this flashlight is 990000 lumens, even brighter than a car headlight. Please be careful not to shine directly on your eyes, because it is very bright and you will not be able to open your eyes.

Which rechargeable battery type does this flashlight come with?

This flashlight comes with a 5000mAh 26650 battery in the package, in addition, 28650 26700 26800 batteries are also suitable for this flashlight

How long does this flashlight take to charge?

The initial charging took approximately 4 hrs. Followup charging time is dependent upon the discharge status of the light. The built in battery indicator lights will give a clue as to the needed time.

How to do turn on strobe function? Do you have to cycle thru the high/med/low modes or is strobe on its own button?

If you want to turn on strobe mode，you can press the brightness button in turn, the flashlight brightness mode in the order of Super Strong Mode→Strobe Mode→SOS Mode→OFF.

Is this flashlight durable? Is it worth buying?

Excellent workmanship, sturdy and durable, and good quality. And it comes with a rechargeable battery, you don’t have to worry about changing the battery anymore, and the battery life is also great, highly recommended! ! !