Emergency Battery for all Micro USB devices Specifications: - Capacity \/ Capacity: 2800mAh - Input: 5.5V + \/ - 0.5 V， 500mA max. - Output: 5.0V + \/ - 0.5 V， 800mA max. - Charging time \/ Charging time: 2-4 hours - Weight \/ Weight: 63g - Measurements \/ Measure: 67 !#!amp!*!times; 62 !#!amp!*!times; 15mm Connections: - Micro-USB connector (output) - Micro-and mini-USB jack (input) - Color: Black - Rechargeable Li-Ion Additional Battery \/ Battery Emergency - To charge devices with a micro USB port - Loads all Mirco USB devices anytime， anywhere on - regardless of a socket - Can be recharged with their micro-or mini-USB cable \/ charger - Multi-function LED display - Displays loading the loading progress of a device - Displays loading emergency battery charging progress - Displays the remaining battery capacity of the emergency on by pressing the test button capacity Compatible with: Samsung i9100 Galaxy S 2 \/ S Galaxy i9000 \/ i9001 Plus Galaxy \/ Galaxy Ace S5830 and other mobile phone with micro USB plug Package Included: 1 x Portable Battery Charger