The Mighty Bright BrightFlex is a multi-purpose light with a detachable battery bank that doubles as a power source.It features 8 LEDs delivering up to 90 lumens and 3 brightness settings for various tasks.The light has a 12-inch adjustable gooseneck and a padded strong-grip clip for flexible positioning.The built-in 2500mAh battery pack provides up to 8 hours of light on high, 45 hours on low, and a 50% charge to a standard smartphone.