![Amazon.com: UL Certified USB Wall Charger Power Supply 5v 1A (1000mA) Universal Portable Travel Power Adapter Plug Block High Speed for iPhone iPad iPad Samsung HTC LG iPod Nokia Travel Office Home Amazon.com: UL Certified USB Wall Charger Power Supply 5v 1A (1000mA) Universal Portable Travel Power Adapter Plug Block High Speed for iPhone iPad iPad Samsung HTC LG iPod Nokia Travel Office Home](https://m.media-amazon.com/images/I/61IyFa8UVAL.jpg)
Amazon.com: UL Certified USB Wall Charger Power Supply 5v 1A (1000mA) Universal Portable Travel Power Adapter Plug Block High Speed for iPhone iPad iPad Samsung HTC LG iPod Nokia Travel Office Home
![5V 2A Switching Power Supply w/ USB-A Connector : ID 1994 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits 5V 2A Switching Power Supply w/ USB-A Connector : ID 1994 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1994-01.jpg)
5V 2A Switching Power Supply w/ USB-A Connector : ID 1994 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: PEMENOL DC-DC CNC USB Step Up/Down Power Supply Regulator Module 3.5V-12V to 1.0V-24V 2-3W, Adjustable Boost Buck Voltage Converter Digital Display Voltmeter Ammeter Battery Capacity Tester : Electronics Amazon.com: PEMENOL DC-DC CNC USB Step Up/Down Power Supply Regulator Module 3.5V-12V to 1.0V-24V 2-3W, Adjustable Boost Buck Voltage Converter Digital Display Voltmeter Ammeter Battery Capacity Tester : Electronics](https://m.media-amazon.com/images/I/71jYpISn4GL.jpg)