Powerful bank charger has digital capacity status display. Great features on this 5400 mAh power bank include a digital capacity status readout along with both a 1 Amp and 2.1 Amp USB port. Input: 5 V. Output: 5400 mAh. Battery: Lithium, A grade. Plug: 2 USB (1 Amp & 2 Amp). Packaging: individual white box.