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90W Universal AC/DC Laptop Adapter – 20V 4.5A, Multi-Voltage Switching Power Supply

90W Universal AC/DC Laptop Adapter – 20V 4.5A, Multi-Voltage Switching Power Supply

Wholesale Price – Contact Us for Quote

This 90W universal laptop power adapter delivers reliable, regulated power for a wide range of laptops and portable devices. Featuring a wide input voltage range (AC 100-240V) and multi-voltage DC output (15-20V adjustable), it automatically adapts to your device's requirements. With built-in protections (overcurrent, overvoltage, short circuit, overtemperature) and global safety certifications, it's the ideal travel companion or replacement charger .


Key Features

  • Universal Input: AC 100-240V, 50-60Hz, suitable for worldwide use .
  • Multi-Voltage Output: Supports 15V-20V DC output (4.5A max), automatically adjusts to match your laptop's voltage .
  • High Efficiency: Meets DoE Level VI & CoC Tier 2 energy efficiency standards, reducing power waste .
  • Comprehensive Protections: Built-in overcurrent (OCP), overvoltage (OVP), over-temperature (OTP), and short circuit (SCP) protection .
  • Global Safety Certifications: Approved to UL, CE, FCC, RoHS standards .
  • Compact & Portable Design: Lightweight, fanless design for quiet operation and easy travel .
  • Wide Compatibility: Compatible with major laptop brands including Dell, HP, Lenovo, Acer, Asus, and Samsung (with correct DC tip) .

Technical Specifications

Parameter Details
Rated Power90W
Input VoltageAC 100-240V, 50-60Hz
Output VoltageDC 15-20V (auto-adjusting)
Output Current4.5A (max)
DC Connector5.5*1.7mm / 5.5*2.5mm (customizable)
Efficiency≥88% (Level VI)
ProtectionsOCP, OVP, OTP, SCP
Safety StandardsUL, CE, FCC, RoHS
AC Plug OptionsUS, EU, UK, AU, etc.
Operating Temperature0°C ~ 40°C
Warranty1-3 Years (depending on model)

Applications

This versatile 90W adapter is suitable for a wide range of devices:

  • 💻 Laptops and notebooks (Dell, HP, Lenovo, Acer, Asus, Samsung)
  • 🖥️ Portable monitors and displays
  • 📡 Communication equipment
  • 🔧 Test and measurement instruments
  • ⚡ Small electronics requiring 15-20V DC input

Why Source from Xuanan Trading?

  • Genuine Product: Authentic adapter with full specifications.
  • Customization Support: Available with various AC plugs and DC connectors.
  • Competitive Pricing: Wholesale rates for projects and bulk orders.
  • One-Stop Shop: Combine with LED controllers, power supplies, and connectors.
  • 24-Hour Reply: Fast response on all inquiries.

👇 Request a Quote

Contact us with your required voltage, plug type, and quantity. We will reply within 24 hours with pricing and availability.

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