Mini Adjustable Digital USB Power Supply - 1V-24V 3W

This handy USB power supply will give you adjustable output voltage from 1V to 24V DC. Just plug it into any standard USB port, like a phone charger adapter, USB power bank, PC or laptop, etc. Then adjust the output voltage using the up/down buttons and a digital LCD display.

Great for hobby electronics projects, USB-powered physics experiments, and more.

Specifications:

• Input Voltage: 3.5V - 12V DC (via standard USB)
• Output Voltage: 1.0V - 24.0V DC
• Output Power: 3W(Max)
• Maximum output power within 2W when output DC 1.0V~2V
• Maximum output power within 3W when output DC 2V~24V
• Conversion efficiency: 94%
• Working current: 30mA
• Voltage accuracy: +/-0.5%
• Current accuracy: +/-1%
• Working Temperature range: -20? ~ 85?
• Size: 70 x 26 x 14 mm

Instructions:

Short-press any button to turn ON/OFF voltage output.

Turn ON means the output is enabled, and the display shows output voltage at the first line and ‘On’ on the second line. Turn OFF means output is disabled, and the first line displays 00.0 ‘OFF’ at the second line.

Long-press any button more than 3 seconds to adjust the output voltage.

The first line will flash. Short-press the button ‘UP’ to increase output voltage and short-press the button ‘DOWN’ to decrease output voltage. Each time press of the button will change the voltage by 0.1 V.