Gebildet DC 5V to DC 12V USB Voltage Step Up Converter Cable Power Supply USB Cable with 9 Interchangeable Jack Connectors Charg

Compatible : Such as Fan, Table Lamp, Solar Panel, USB Power Pack, Power Adapter, Bluetooth Audio, Wireless Router, Speakers & More that requires for 12V power Safe & Reliable : ? Builtin upgraded intelligent IC circuit ? Perfect protecetion from overcurrent, over voltage, overload or short circuit ? Can be used to power the router via power bank if power down Product Parameters : USB Input => 5V 2A DC Output => 12V Max Current => 1A The size of the DC Connector => OD: 5.5 mm & ID: 2.1 mm, Inner Positive(+) polarity, Outside negative() polarity. 8 Connectors: 6.5x4.0mm 6.3x3.0mm 5.5x2.5mm 5.5x2.1mm 5.5x1.7mm 4.8x1.7mm 4.0x1.7mm 3.5x1.35mm