48V 3A AC/DC Power Adapter | 5.5x2.1mm Plug | Universal Power Supply

Upgrade your interface with crisp visuals.
This 12864 Graphic LCD Module delivers a sharp 128x64 pixel resolution on a stunning blue backlight with white pixels. Built with the versatile ST7920 controller, it supports both Parallel and SPI Serial modes, allowing you to save precious I/O pins on your Arduino or microcontroller. Perfect for displaying complex graphics, charts, and custom text.

• High-Res Graphic Display: 128x64 dot matrix resolution enables text, images, and graph rendering.
• Crisp Visibility: Deep blue background with bright white pixels provides excellent contrast and aesthetics.
• Dual Interface Modes: Supports both 6800 8-bit Parallel and Serial (SPI) modes (Selectable via Pin 15 PSB).
• Standard 5V Logic: Seamlessly compatible with Arduino UNO, Mega, and other 5V logic controllers.
• Adjustable Contrast: Dedicated V0 pin allows for precise brightness and contrast tuning via potentiometer.
• Robust Mounting: Four corner mounting holes (3mm) for secure installation in enclosures.

Reliable Power for Your Critical Equipment

When your professional electronics fail, it's often the power supply that's to blame. Don't let a faulty adapter bring down your network or security system. This 48V 3A AC/DC Power Adapter provides a stable, clean, and continuous 144-watt power stream, ensuring your sensitive equipment operates exactly as intended without overheating or unexpected reboots.

Universal Compatibility & Standard Connection

Built with versatility in mind, this power brick features a universal 100-240V AC input, making it compatible with global voltage standards. The output side utilizes the highly standard 5.5mm x 2.1mm DC barrel connector, which is the go-to size for a vast array of 48V commercial and industrial devices, including PoE (Power over Ethernet) injectors, IP cameras, and LED lighting arrays.

Designed for Professional & Home Use

Whether you are setting up a home lab, replacing a lost router power supply, or deploying commercial CCTV cameras, this adapter offers the steady performance you need. Its durable, heat-dissipating casing is designed for safe indoor use, protecting your investments from power irregularities.

Important Notice: To give you the flexibility to choose the exact cord length and plug type you need, the 3-prong AC power cord is not included. Click here to purchase the compatible computer power cable.

• Local delivery within Hong Kong and in-store pickup.​
• Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
• Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
• Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
• In-store pickup details (location and time) will be confirmed by email or phone message.​
• Delivery times are estimates and may be affected by weather or unforeseen circumstances.​