voltage regulator to use?

Other Hardware General Electronics
3

DVDdoug:
Do you have a link to the LED datasheet? You probably need to build or buy a special LED power supply.

LEDs are current-driven.... you supply a known/controlled current and the voltage takes care of itself (as long as the power supply can attain the required voltage).

http://www.ebay.com/itm/1X-18650-3-7V-5000mAH-Li-ion-Rechargeable-Battery-for-UltraFire-Flashlight-Torch-/310911540318?pt=US_Rechargeable_Batteries&hash=item4863c59c5e

are 64 rgb leds, 1 leds rgb 60mA*64=3.84A