high quality 4400mah power bank factory price , fast delivery, perfect quality SPECIFICATIONCapacity: 4400mAh (Li-ion battery with high safety and stability, A standard). Output: USB Ports 5V 1A. Input: MicroUSB with 1A. Charging time: 5.4 hours by USB 1A. Working Temperature: -5°C ~ +55°C. Product Size: (L)100mm*(W)55mm*(H)28.5mm. Weight: 122g Color: white with any design. FUNCTION Fashionable ...