The Circuit Charger packs a 4,000 mAh Li-Ion battery with a dual output.
The first output is 5V/1A for charging smartphones at the same rate as a wall charger and the second output is 5V/2.1A for charging tablets at the same rate as a wall charger.
Blue LED indicators show how much power is left in the power bank.
Includes USB to Micro USB connecting cable which can charge the battery backup or be used to charge devices with a Micro USB input like Android smartphones from Samsung, Motorola, HTC, Nokia and other.
