![Amazon.com: PEMENOL 15W DC-DC Buck Boost Voltage Converter, 5V to 3.3V 9V 12V 24V 30V CVCC Step Up / Down Module Adjustable USB Power Supply Module with Shell : Electronics Amazon.com: PEMENOL 15W DC-DC Buck Boost Voltage Converter, 5V to 3.3V 9V 12V 24V 30V CVCC Step Up / Down Module Adjustable USB Power Supply Module with Shell : Electronics](https://m.media-amazon.com/images/I/71Nzj9oT9cL.jpg)
Amazon.com: PEMENOL 15W DC-DC Buck Boost Voltage Converter, 5V to 3.3V 9V 12V 24V 30V CVCC Step Up / Down Module Adjustable USB Power Supply Module with Shell : 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 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](https://cdn-shop.adafruit.com/970x728/2190-05.jpg)
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
How to increase output (watt) of a USB port in a laptop? Are there any devices that can increase the USB output power a little - Quora
![Amazon.com: USB DC 5V to 9V Step Up Power Cable(3ft), Farsense USB to DC 9V Adapter with DC Jack 5.5 x 2.5mm(3.5 x 1.35mm), USB Boost Converter Supports LED Indicator : Electronics Amazon.com: USB DC 5V to 9V Step Up Power Cable(3ft), Farsense USB to DC 9V Adapter with DC Jack 5.5 x 2.5mm(3.5 x 1.35mm), USB Boost Converter Supports LED Indicator : Electronics](https://m.media-amazon.com/images/I/61OpnEeOF6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB DC 5V to 9V Step Up Power Cable(3ft), Farsense USB to DC 9V Adapter with DC Jack 5.5 x 2.5mm(3.5 x 1.35mm), USB Boost Converter Supports LED Indicator : Electronics
![USB to 2.1mm DC Booster Cable - 9V : ID 2777 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits USB to 2.1mm DC Booster Cable - 9V : ID 2777 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2777-06.jpg)
USB to 2.1mm DC Booster Cable - 9V : ID 2777 : $6.50 : Adafruit Industries, Unique & fun DIY electronics and kits
![For WiFi Router USB Charge Power Boost Cable DC 5V to 9V/12V 2.1x5.5mm Step UP Converter Adapter USB Cable with Boost Component - AliExpress For WiFi Router USB Charge Power Boost Cable DC 5V to 9V/12V 2.1x5.5mm Step UP Converter Adapter USB Cable with Boost Component - AliExpress](https://ae01.alicdn.com/kf/S97e6628dc5e341ddb41dc67b58d1ae9a5/For-WiFi-Router-USB-Charge-Power-Boost-Cable-DC-5V-to-9V-12V-2-1x5-5mm.jpg)
For WiFi Router USB Charge Power Boost Cable DC 5V to 9V/12V 2.1x5.5mm Step UP Converter Adapter USB Cable with Boost Component - AliExpress
![USB to DC Jack Charging Cable 5V To 12V Power Cord Boost Converter USB to DC Power Cable Power Cable for Router Mini Fan Speaker - AliExpress USB to DC Jack Charging Cable 5V To 12V Power Cord Boost Converter USB to DC Power Cable Power Cable for Router Mini Fan Speaker - AliExpress](https://ae01.alicdn.com/kf/S615fa5a06faa4690b992b2cef4ea1297E/USB-to-DC-Jack-Charging-Cable-5V-To-12V-Power-Cord-Boost-Converter-USB-to-DC.jpg)