Impressive illumination: LED Flashlight Rechargeable delivers up to 250,000 lumens over an area of 200 sqm, with a crisp 8000K cool white light to enhance visibility in large spaces. Continuous illumination: The 20000mAh rechargeable battery provides up to 24 hours of strong, nondimming brightness for extended use without frequent recharging. Battery indicator: Real time battery monitoring keeps you informed of remaining power, helping you plan use and avoid unexpected drops in brightness. Emergency backup charging: The built in output port lets you charge mobile phones or other devices during emergencies, turning the flashlight into a portable power source. Use scenarios Home power outages and safety lighting: Provide bright, wide area illumination to navigate and locate essential items without sacrificing visibility. Outdoor and vehicle scenarios: Ideal for camping, roadside repairs, search and rescue, or any setting where large area lighting and reliable power are needed. Work sites and emergency response: Use as a primary lighting source for large rooms or outdoor work areas, while also charging a phone or device in urgent situations.