1: The charger time is long 2: Power Bank for all Phone/Pad /Ipod,GPS,DC,PSP3. 3, 4000Mah compacity, USB* ... 4 full mobile phone chargers, this tough guy can power phones, cameras, games, MP3s, or whatever is your kind of work ... keep you going and going and going.Suitable for:Mobile phones, smart phones, iPhones, iPods, GPS, PDAs, digital cameras, MP3/MP4 players, Bluetooth ...