HOW TO USE:
For first use, please take out the battery protection pcs.(it is between flashlight head and battery pack).
Screw it as tightly as you can, as the flashlight need high current, so if not tight enough, it won't be able to pass it's current.
Do charge the batteries before you use.
Charging 8pcs 21700 batteries will take out 4 hours 25 minutes.
Screw in the end cap after you charged it.
Built-in self-testing intelligent charging circuit which is convenient, fast and safe.
Three power levels which can be changed quickly with instant turbo available.
High efficiency constant current circuit maintains consistent brightness.
Built-in thermal control module automatically adjusts the brightness output to keep the unit from overheating.
Combination of toughened ultra-clear mineral anti-reflective coated glass.
Aerospace-grade aluminium alloy body, wear-resistant Type Ⅲ hard-anodized surface treatment.
Waterproof to IPX-8 standard. (2 meters submersible)