Dc booster

Brand: Evalley Shop USB 5V to 9V, 12V voltage booster 5.5x2.1mm & 4x1.7mm barrel jack Module Converter DC to DC. You can connect your power bank 5V it will convert it to 12V for PTCL/Fiber Modem router etc. Thus, when power cut, you can use your power bank to supply your router! Internet blackout solved, continuous power supply Artifact Via computer USB jack to power other devices. Such as: USB lights, USB fan, Cartoon watches, radiator, 5V mini speakers, USB HUB, etc.​​​​​​​Output current is 1000mA 1A real many similar modules in markets are just 700mA or less.Note: To achieve best results your power bank must be 5V with 2A or 3A. With 1A, output may not be stable.Interface: USBtransfer DC5.5 * 2.1MM & 4mm*1.7Input voltage: DC 5VOutput voltage: 9V, 12V