How can 10,000 Lumens be brighter than 20,000 Lumens?
Rechargeable LED Flashlight, Pocket-Sized Torch with 10000 Lumens, 3 Modes Small LED Flashlight, IP67 Water Resistant, Type-C Charge Port, Super Brighter Flash Light for Outdoors, Emergency Power… - Amazon.com
10000 Lumens Mini Powerful Led Flashlight XHP50 Built in Battery 3 Modes Usb Rechargeable Flash Light EDC Torch Lamp Flashlights
Powerful Flashlight 10000 Lumens,USB Rechargeable XHP70.2 Flashlights High Lumens LED Torch Powerful Tactical Flashlight 5 Modes, Zoomable with Power Display and USB Output for Emergency - Walmart.com
Husky 10,000 Lumens LED Portable Work Light HD10000DIM - The Home Depot