MINI DC-DC Boost Converter 1.5V 3V 5V to 5V 9v 12V 1200mA Step-up dc Voltage Regulator Power Supply Module - AliExpress
How to Make 1.5v to 12v Boost Converter Circuit | 1.2v to 12v Boost Converter | DIY Boost Converter - YouTube
DC Buck Converter Step Down DC to DC Converter 12V 24V 7-36V to 1.25-32V 12V 5V Volt Reducer Board Board Voltage Regulator Power Supply Module with LED Display USB Output & CC
Brand one 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends Worldwide Adaptor black - Price in India | Flipkart.com
How to make 1.5V to 12V Step-Up Boost Converter Circuit - YouTube
1PCS 3V 3.3V 5V 9V to 12V DC-DC Mini Boost Step Up Converter Volt Regu – diymore