Portable power pack dual usb charger solar power bank battery capacity 7 800 mah interfaces microusb usb interface input 1x micro usb interace outputs 1x usb type a 1x micro usb power output max 24 weight 707 g features battery indicator led flashlight colours grey yellow rechargeable battery technology li ion operating voltage 3 6 v energiegehalt 28 wh material plastic special feature integrated charging cable charging function charges 2 device