DC Boost Converter circuit 3.3-5v to 12V-13.8V - Eleccircuit

15W Boost Converter Power Module DC-DC 3.3V 3.7V 3.8V 4.2V to 5V 6V 9V 12V - AliExpress

USB 5V to 1.5V/ 3V Step Down Converter Circuit

DC Boost Converter circuit 3.3-5v to 12V-13.8V - Eleccircuit

DC to DC Boost Converter 12V/3.5A DC-DC Step-up Boost Voltage Converter Module 3V 3.3V 3.7V 5V to 12V Adjustable Voltage Regulator : Electronics

DC Boost Converter circuit 3.3-5v to 12V-13.8V - Eleccircuit

DC converters

Simple 6V to 12V boost converter circuit using transistors

DC to DC Boost Converter 12V/3.5A DC-DC Step-up Boost Voltage Converter Module 3V 3.3V 3.7V 5V to 12V Adjustable Voltage Regulator : Electronics

DC DC 12V to 13.8V 10A Step-up Module,Boost Converter 9V-13V to 13.8V Voltage Regulator,Waterproof Power Adapt 138W 13.8V Volt Transformer Module (12V to 13.8V 10A) : Electronics

DC Boost Converter circuit 3.3-5v to 12V-13.8V - Eleccircuit

PARAMETER --- XWST DC-DC converter input voltage range is DC 9~13V (12V); output voltage is DC 13.8V; output current is 25A; output power is 345W.

DC DC 12V to 13.8V 25A Step-up Module,Boost Converter 9V-13V to 13.8V Voltage Regulator,Waterproof Power Adapt 345W 13.8V Volt Transformer Module (12V