... FCC,CE,RoHS 3.can charge laptop,mobile phone 4.LCD for the voltage change mobile power bank 20000mah, You best chioce ... Can work with LAPTOP, mobile phone ,headlamps, flashlights, laterns, intercoms, GPS, digital cameras, mp3, mp4, etc 8.LCD display for the voltage change9 ... .Al-alloy cabinet, easy to heatsink, keep the product have long life.Packaging for mobile ...