Qoltec 15W 5V 3A AC/DC Power Adapter with 3.5x1.35mm Barrel Plug

Low-power electronics often fail because they are paired with an unstable or incompatible power source. The Qoltec 50777 wall plug power supply delivers a steady 5V DC at up to 3A, ensuring your devices run smoothly without voltage drops or overheating. With a 3.5mm outer and 1.35mm inner barrel connector, it fits a wide range of small appliances, LED strips, routers, and DIY projects.

Who is it for

This adapter is ideal for hobbyists, IT technicians, and home users who need a reliable power source for 5V devices. It suits anyone replacing a lost or faulty adapter for gadgets like mini PCs, CCTV cameras, audio equipment, or development boards. Its compact design and EU plug make it perfect for everyday use in homes, offices, or workshops.

Main features

• Stable 15W output: 5V DC, 3A maximum current for consistent performance.
• Universal input voltage: 100–240V AC, 50/60Hz – works worldwide with a plug adapter.
• Barrel connector: 3.5mm outer diameter, 1.35mm inner diameter, center-positive polarity.
• Built-in protections: over-voltage, over-current, and short-circuit safeguards.
• Durable black housing with CE and RoHS certifications for safety and environmental compliance.
• Compact and lightweight – easy to carry or mount near your device.

Specifications

• Brand: Qoltec
• Model: 50777
• Product type: AC/DC power adapter
• Input voltage: 100–240V AC
• Input frequency: 50/60Hz
• Output power: 15W
• Output voltage: 5V DC
• Output current: 3A
• DC connector: barrel plug, 3.5 x 1.35mm
• Polarity: center positive
• Plug type: Type C (EU)
• Number of outputs: 1
• Protection: over-voltage, over-current, short-circuit
• Colour: black
• Certifications: CE, RoHS

Tips

Before connecting, verify that your device requires 5V and draws no more than 3A. Check the barrel connector dimensions – 3.5mm outer and 1.35mm inner – to ensure a snug fit. For devices with different plug sizes, use a suitable adapter (not included). Keep the power supply in a well-ventilated area to prevent overheating during extended use.