6600mAh Mobile Battery, Model number: IMB66H1W Specification ●　Battery: Lithium-ion Battery 6600mAh 3.7V ●　Input Voltage/Current: 5V/1000mA ●　Output Voltage/Current: 5V/1000mA ●　Charging Time: About 9 hours ●　Charging/Discharging life: 500 times ●　Operating temperature range: 0 – 45 degree C ●　compatible device: Smartphones which can be charged by 5V USB ●　Weight: 170g ●　Size: 122mm x 69mm x 15mm ●　Accessory: Mico USB - USB cable ●　Manufacture Warranty: 1 year