... bank, universal portable power bank, power bank 3000mAh, battery charger, universal charger, back up battery, mobile phone charger How to work or Note ... , the red light will stop winking. Specifications:1. Charging voltage: 5V. 2. Charging Current: 500 mA(Max)3. Output Voltage of ... the charger :5V and 5.6 V, the charger is able to detect ...