Overview: Fashionable, high security, easy operation, high capacity, & full compatible. Battery type: Lithium-ion battery Capacity: 1000m Ah Input: 5V 500m Ah Output: 5V 500m Ah Charge time: around 2.5 hours Specification: Weight Approx:40.7g Size Approx:6.2 x 5.3 x 1.3