The Lenovo 20V 4.5A AC-DC Power Adapter is a robust, high-capacity power solution engineered for high-performance laptops and specialized electronics requiring a stable 20V supply. Delivering 90W of continuous power, this desktop-style "brick" provides superior voltage regulation and reliable performance for power-intensive hardware.
Equipped with a professional 3-pin C6 "Cloverleaf" inlet, this adapter ensures a grounded and secure connection, offering industrial-grade safety for your home or office workstation.
High-Capacity 90W Output: Provides a consistent 20V 4.5A current, specifically designed for mobile workstations and high-performance notebooks that require robust power stability.
Universal Input Range: Supports a global input voltage of 100–240V AC, 50/60Hz, ensuring safe operation across international power grids.
Grounded C6 "Cloverleaf" Inlet: Features a professional 3-pin desktop-style socket, providing an earthed connection for enhanced electrical safety and reduced signal noise.
Efficient Desktop Form Factor: The external housing is designed for optimized cooling, protecting internal components and extending the life of the adapter during sustained use.
Precision DC Connector with Yellow Tip: Features a high-quality barrel plug with a distinctive yellow tip and a center signal pin for a secure, specialized fit in compatible 20V power ports.
Integrated Safety Circuitry: Built-in protection against over-voltage, short-circuits, and over-current to safeguard your expensive connected hardware.
Input Voltage: 100–240V AC, 50/60Hz, 2.4A (2,4A).
Output Voltage: DC 20V.
Output Current: 4.5A (4,5A).
Max Power: 90W.
Input Interface: 3-Pin IEC C6 (Cloverleaf Style).
Compliance: UL, GS, JET, NOM, and CE Certified.
This 20V 4.5A Power Adapter is the ideal solution for:
Lenovo Workstations & Laptops: A perfect replacement power supply for ThinkPad models and other Lenovo hardware requiring 20V 4.5A with a center-pin connector.
Industrial Computing: Powers specific all-in-one PCs and small form factor industrial workstations.
Professional AV Gear: Ideal for powering high-output specialized video monitors and studio hardware.
Network Infrastructure: Used for high-capacity routers and specialized network hubs requiring a stable 20V source.
Can I use a 20V adapter on a 19V or 19.5V device? No. Electronic components are designed with specific voltage tolerances. Always match the Voltage (V) exactly to your device’s requirements to avoid permanent damage.
Is this adapter grounded? Yes. By utilizing the 3-pin C6 cloverleaf inlet, this unit maintains a ground path when used with a compatible 3-pin power cord, which is essential for protecting sensitive equipment from electrical noise.
Does it include the wall power cord? This model features the C6 "Cloverleaf" inlet. While it is sold as the main power brick, you will need a standard 3-pin C5/C6 power cable (common laptop style) to connect it to your wall outlet.
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