VOLTAGE RANGE: 100-240v voltage applies to different countries and areas. QUALITYCETIFICATES Passed CE,FCC safety standard and can prevent accident like short circuit,leakage and over-voltage. PRODUCT FEATURES: Intelligently turn into sleep mode when not working, keep the energy consumption and maintain long time charging power. Multiple protection to ensure security. Short circuit protection, over-heat protection, over-voltage protection, over charge protection, magnetism protection,over discharge protection. When connected to devices, the powerbank would detect and indicate how much power the device need to ensure fast and reliable charging. ATL lithuim-ion battery is effectively avoid heating, leaking and bursting, make it smaller and thinner. PRODUCT PARAMETERS: Polymer Battery:3.7V/15000mAh,55.5Wh 1.AC Charging Mode AC Input :100-240VAC.50/60Hz;0.3A(Max) USB-A Output:5V=2A(Max) 2.Power Bank MOde Type-C/Lightning Cable Output:5V=2A(Max) USB-A Output: 4.5V=5A,5V=3A,9V=2A,12V=1.5A;22.5W(Max) Type-C Cable Output:4.5V=5A,5V=3A,9A=2A,12V=1.5A;22.5W(Max) Lightning Cable Output:5V=2.4,9V=22A,12V=1.67A;20W(Max) TotalOutput:5V=3A