I was on amazon and found this amazing 300AH flashlight phone case. It must be nuclear powered or something to have such a high energy density. It also has a flashlight and is only $2! Amazing! Everyone should buy this! It must be true because it says so.
https://www.amazon.com/Outdoor-3000...=1-3&keywords=power+led&refinements=p_36:-300
https://www.amazon.com/Outdoor-3000...=1-3&keywords=power+led&refinements=p_36:-300