mobile power bank 1,Actual capacity 13000mAh 2,warranty 1 year 3,Proprietary ... Polymer battery ,over 500 times life cycleUilt-in proprietary software to control and regulate temperature, voltage and currentSmart capacity display ... ,multiple protection ,safe and high efficiencyClear & simple design ,mobile and portable high capacity power bank, 10000mah power bank external usb battery ...