rechargable battery, high quality 2200 mAh capacity for mobile phone, camera, game player 1.Capacity: 2200mAh, 3.7v2.Li-ion Battery3.Input: 5V, 1000mA4.Output:5.2V, 1000mA5.Charge port: USB Feature:1.Provide emergency power for most portable electronic devices2.Use standard USB port as input3.Support Blackberry,iPhone,iPod, HTC, PSP,etc4.4 LED Power remain indicator