Koluman Power Bank 12000 mAh is portable power bank. Its mainly used for charging digital equipment. It is built-in rechargeable Li-Polymer battery with charging by micro USB interface. Dual USB outputs(5V 1A, 5V 2.1A) can meet various demands of digital devices. Protection of short-circuit and constant voltage with current limited functions will support you a safe charging. Built in MCU (Micro Control Unit) intelligent control charging and discharging.
