Mophie Juice Pack Air External Battery/Charger for the iPhone 4. Charge up your iPhone on the go with an external 1500mAh back-up battery case. The Conveinence of a Hardshell protective case and External Charger rolled into one. More time to talk, rock, surf and send! Conveinent Dock Connector to USB Cable plug.
Capacity: 1500 mAh
Dimensions: 5.07 in x 2.51 in x 0.68 in; 2.5 oz
Standby Time: Up to 270 hrs
Talk Time: Up to 6hrs on 3G | Up to 9 hrs on Wi-Fi