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I want to have my power bank be backup power for my router, it runs at 5v already. Can I just join the wires of the power adapter and the power bank?

If I have a router with a USB port in it, can I use a power bank to provide it with electricity if the power shut down? - Quora

FARSENSE USB DC 5V to 12V Step Up Power Cable(3ft), USB to DC 12V Adapter with DC Jack 5.5 x 2.5mm(3.5 x 1.35mm), USB Boost Converter Supports LED Indicator : FARSENSE

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Buck Converter 12V to 5V, DROK 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5v-5.3v 5.2V 3.5-6a Volt Transformer Power Supply Module for Phone

If I have a router with a USB port in it, can I use a power bank to provide it with electricity if the power shut down? - Quora

Câble d'alimentation FARSENSE USB DC 5V à 12V Step Burundi

DC 24V to DC 12V 10A 120W Step Down Buck Converter Voltage Regulator Reducer Power Converter Mini Module Transformer : Electronics