VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V

MPM3610 5V Buck Converter Breakout - 21V In 5V Out at 1.2A : ID 4739 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Verter 5v Usb Buck-boost - 500ma De 3v-5v / 1000ma De 5

3.3V 5V 9V 12V AC-DC DC-DC Power Supply Buck Converter Step Down Module

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

20pcs DD1205UA DC to DC 1.5V 3V 3.3V 3.7V 6V to 5V DC

DC Buck-Boost VERTER 5V USB 500mA from 3V-5V 1000ma from 5V-12V Philippines

Free 1000v Buck12v 220v Converter 5v 2000ma 10w Step Down Power Supply Module

VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V- 12V : Office Products