Adafruit Industries LM3671 3.3V Buck Converter Breakout - 3.3V Output 600mA Max - Micro Center
Adafruit Verter 5V USB Buck-Boost, 500mA From 3V To 5V, 1A From 5V To 12V, 2190 | eBay
PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V : Office Products - Amazon.com
Adafruit Industries PowerBoost 1000 Basic 5V USB Boost @ 1000mA from 1.8V+ - Micro Center
VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V [TPS63060] : ID 2190 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-
VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V [TPS63060] : ID 2190 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit TPS62827 3.3V Buck Converter Breakout - 3.3V Output 2 Amp Max | 3DMakerWorld, Inc.
VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V [TPS63060] : ID 2190 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit VERTER 5V USB Buck-Boost - 500mA from 3V- 5V / 1000ma from 5V-12V - Walmart.com
Adafruit LM3671 3,3V Voltage Controller/Buck Converter Breakout, 600mA Max 2745 | eBay
TLV62569 3.3V Buck Converter Breakout - 3.3V Output 1.2A Max | The Pi Hut
PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V - Melopero Electronics
VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V [TPS63060] : ID 2190 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits