Features: � � � � � � � � � � � � � � � � � � � � � � � � � � �1. Similar size as credit card2. power bank especially recommended as Promotion gift3. Li-polymer battery,Website:http://www.cbtgdesign.com, safer4. home designed PCB board with high conversion rate and safe �electrocircuit�5. Build-in micro USB cable, hot for promotion6. OEM graphics on the surface�Specification: � � � � � � � � � � � � � � � � � � � � � � � � �Capacity: 1800mAh/2000mAh/2500mAh optionalMeterial: Li-polymer battery ABS metalColor: White/Black/OrangeVoltage/Current: Input: DC5V/1000mA �Output:DC5V/1000mACharging time: 3-4 hoursLifecycle: ?500 timesPower indicator: YesLED flash light: NoLCD display: NoSize/Net Weight: 79*79*8mm �72gInput/Output: Michro input for charging, �one USB output interface for dischargingFeature: Compact design and portableAccessories: Use maual, USB cableLead time: 15 days�credit card power bank