This little gadget is perfect for those dreaded moments when your battery runs out!
At full capacity will provide up to 390 hours of standby time, 6.5 hours of talk time on 3G, 13.5 hours on 3GS, up to 8 hours of internet time on Wi-Fi (6.5 on 3G), 31 hours audio playing time or 9 hours video playing time.