Power bank charges your devices using its internal battery. Use the included micro usb cable with the portable power bank, or use it plugged intoputer to charge and sync your device. Rechargeable

Duracell - Pro Power Bank Portable Charger - Black/Copper

Power bank charges your devices using its internal battery. Use the included micro usb cable with the portable power bank, or use it plugged intoputer to charge and sync your device. Rechargeable lithium-ion battery. For device type: mobile devices; adapter/charger type: portable mobile charger; power source(s): lithium ion rechargeable battery; connector/port/interface: micro usb.

Duracell - Pro Power Bank Portable Charger - Black/Copper