... Product Name :External Battery for iPhone 4&4s Product SKU : YJ1011 Capacity : 1500mAh Nominal Input : 5V,400mA Nominal Output : 5V,500mA ... : Above 21 hours Video Play : Above 5 hours Barcode : 6954160400016 YJ1011-External Battery for iPhone 4&4s (with"Made for iPhone ...