Adjustable AC to DC Power Adapter 72W - 3-24V Variable Power Supply with LCD Voltage Display, Knob Control, 15 Interchangeable Tips, Overvoltage & Short Circuit Protection, 100-240V Universal Input

Adjustable AC to DC Power Adapter 72W — 3-24V Variable Power Supply with LCD Display

Power virtually any small electronic device with this versatile 72W adjustable AC/DC power adapter. With a wide output range of 3V to 24V, a clear LCD voltage display, and 15 interchangeable connector tips, it's the ultimate all-in-one power solution for home electronics, DIY projects, and small appliances.

⚠️ Important Notice: This is an AC to DC power adapter — NOT a charger. It cannot charge battery-powered devices such as smartphones, laptops, tablets, or electric bicycles. Please verify your device's required voltage before use. Wrong voltage may damage your device.

Key Features

• Wide 3-24V Adjustable Output — Supports 3V, 4V, 4.5V, 5V, 6V, 9V, 12V, 14V, 15V, 19V, 20V, 24V and more
• LCD Voltage Display — Real-time voltage readout prevents incorrect settings and protects your devices
• Knob Adjustable Control — Smooth, precise voltage adjustment with an OFF gear to cut power without unplugging
• 15 Interchangeable Connector Tips — Includes 5.5x2.5mm, 5.5x2.1mm, 5.0x2.5mm, 4.0x1.7mm, 3.5x1.35mm, Micro-USB, Type-C, DC terminal, and more
• Polarity Converter Cable Included — Doubles compatibility range for devices with reverse polarity requirements
• Universal 100-240V AC Input — Works worldwide with any standard wall outlet
• 6-Foot Power Cable — Generous length for flexible placement

Safety Protection Systems

• Overvoltage Protection — Automatically disconnects if output exceeds safe levels
• Overcurrent Protection — Prevents damage from excessive current draw
• Overheating Protection — Thermal cutoff keeps the adapter safe during extended use
• Short Circuit Protection — Instantly shuts off in case of a short circuit
• Silent Operation — No fan noise, no combustion or fire risk

Product Specifications

Compatible Devices

Ideal for powering LED strips, under-cabinet lights, TV boxes, smart speakers, wireless routers, essential oil diffusers, humidifiers, USB fans, WiFi cameras, USB hubs, hard disk enclosures, DC motors, DC pumps, digital photo frames, DVR/NVR surveillance systems, and other 3-24V small household electronics.

How to Use

1. Connect the power adapter to the wall outlet first (before connecting to your device)
2. Select the connector tip that matches your device's port size
3. Adjust the knob to your device's required voltage — confirm on the LCD display
4. Connect the adapter to your device
5. Turn the knob to the OFF position when finished — no need to unplug