... : 5.4 hours by USB 1A. Working Temperature: -5°C ~ +55°C. Product Size: (L)100mm*(W)55mm*(H)28.5mm. Weight ... Circuit, Over-Current, Over Charging/Discharging, high temperature above +60°C). One control, simple operation. High efficiency, and low static power. Long time ... to MicroUSB cable 1* user manual blister box, giftbox Portable high quality 4400mAh universal battery power bank for mobile laptop