I-Up 5400 External Battery for Select Cell Phones Extremely powerful 5400 mAh external battery for iPhoe/iPod and many other devices Charges iPhone/iPod at the same time. Excellent re-charging LED's that let you whats going on. Get 3~5 times the extra life, ideal for long trips, gaming, hikes, fishing, and listening to music. With free Bonus Pack of Tips/Adapter (USB extendable cable, iPhone Tip, USB Tip, Mini USB (B) Tip , Micro USB (B) Tip, 8 pins USB Tip) for iPhone