Power Bank for iPhone 4 4S Brand New Hot-sale item,high quality Easy to install Fast Delivery,safe ... package Tested one by one For iPhone 4 4S 4400mAh External Portable Emergency Power Bank Battery Charger White&Black Color Hello, my dear cutomer, for ... : ≤ 700mA (0.7A)Input voltage: 5V, Input Current: ≤ 1000mA (1A), Charging time: 4-6 hours, Cycle life:> 500 times Package and ...