High Capacity Battery: The ultra powerful led flashlight is equipped with a powerful 2200mAh battery that can last 6 to 17 hours with a 5.5 hour charge. When the rechargeable flashlight batteries are empty, you can insert 18650 into the provided battery compartment and continue to use it. Zoomable and 5 Modes: With a zoomable design, you can freely choose the focus of diffused and concentrated light to meet the needs of different distances. Rechargeable LED flashlight with 5 modes (high, medium, low, strobe, SOS), Hold the button for 2 seconds in any mode to turn off the powerful flashlight, easy to use and robust. Aluminum and waterproof: Rechargeable powerful LED flashlight is made of aircraft aluminum alloy, which gives it excellent shock resistance and is not easily damaged. IPX4-rechargeable flashlight enhanced waterproof performance, can be widely used in camping, hiking, fishing, power outages, emergencies and all other scenarios. Ultra Powerful Flashlight: The advanced