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
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Wide 3-24V Adjustable Output — Supports 3V, 4V, 4.5V, 5V, 6V, 9V, 12V, 14V, 15V, 19V, 20V, 24V and more
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LCD Voltage Display — Real-time voltage readout prevents incorrect settings and protects your devices
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Knob Adjustable Control — Smooth, precise voltage adjustment with an OFF gear to cut power without unplugging
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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
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Polarity Converter Cable Included — Doubles compatibility range for devices with reverse polarity requirements
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Universal 100-240V AC Input — Works worldwide with any standard wall outlet
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6-Foot Power Cable — Generous length for flexible placement
Safety Protection Systems
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Overvoltage Protection — Automatically disconnects if output exceeds safe levels
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Overcurrent Protection — Prevents damage from excessive current draw
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Overheating Protection — Thermal cutoff keeps the adapter safe during extended use
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Short Circuit Protection — Instantly shuts off in case of a short circuit
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Silent Operation — No fan noise, no combustion or fire risk
Product Specifications
| Specification |
Details |
| Input Voltage |
AC 100-240V, 50/60Hz (Universal) |
| Output Voltage |
DC 3V – 24V (Adjustable) |
| Max Output Power |
72W |
| Max Output Current |
3A |
| Display |
LCD Voltage Display |
| Connector Tips Included |
15 Types |
| Cable Length |
6 Feet |
| Use Environment |
Indoor Use Only |
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
- Connect the power adapter to the wall outlet first (before connecting to your device)
- Select the connector tip that matches your device's port size
- Adjust the knob to your device's required voltage — confirm on the LCD display
- Connect the adapter to your device
- Turn the knob to the OFF position when finished — no need to unplug
