What is the MyCharge Power Lumens?

Glad you asked. The Power Lumens is a 10,000 mAh Power Bank that features a built-in LED light. Actually, it's 20 LED lights. You can change the LED's from 'cool white' to 'warm' light' by holding the power button down. In either mode, there are four levels of brightness. The burn turn given with a fully charged battery is: Brightest Setting: ~9 hours -Second Brightest: ~15 hours - next brightest: ~22 hours and lowest brightness setting -Darkest Setting: ~41 hours. There are two USB-A charging ports that share 2.4A Max so can both power your camera and provide light while shooting video if you want. The Power Lumens Power Bank also feature a convenient metal easel so you can prop it up and direct the light where it is needed. Although it seems to be advertised as a camping light (it also does SOS) it seems to me to be perfect to use as a handy easy-to-carry fill light for photo & video shooting. It's roughly 3.8" X 3.7" X 1" thick. MSRP is $59.99.

Giz Wiz Video https://www.youtube.com/watch?v=43sEfKX7Efw&feature=youtu.be

Here's something interesting I found on a website talking about this device:"Using the battery will not affect the lamp run time and using the lamp will not affect the battery life”.  Hmmm...how that can be?