... iPad,iPhone,GPS,mobilephones... USB Charger use for differnt digital devices:portable, rechargeable,high capacity , use for iPad,iPhone,GPS ... high capacity backup battery for iPad,iPhone,mobils,digital devices 5200mAh Backup Battery Model NO.: RFBB1 Charge for many ... type: lithium polymer 4. Function & UsageCharge 1) Cut power supply from the electrical equipment2) Connect the adapter to AC power3 ...