Ever want to know exactly how much power is left in your power bank? The Mega Vault answers that question with a LED Digital power check display. The Mega Vault packs an 8800 mAh Grade A Lithium Ion battery with a dual output. The first output is 5V/1A for charging smartphones and the second is 5V/2A for charging tablets. Also includes an LED light and Micro USB to USB connecting cable which can charge the battery backup or be used to charge up devices with a Micro USB input like Android smartphones from Samsung, Motorola, HTC, Nokia and others.