I plan to use an external battery instead of the DS's battery to power a multitude of LEDs and a cooling fan (for effect, cuz Murica)
I want to use a USB rechargeable lithium ion battery pack.
My question is, what LEDs work best with a 3.7 V battery and does the mAh of the battery have any effect on what LED I should use?
I'm not very learned in electronics, and usually end up popping my LEDs when I hook them up, so any knowledge you have on this would be very helpful.