This heavy-duty DC Power Adapter provides a specialized connection for high-performance laptops requiring the Lenovo square-style power interface. Featuring a precision male square plug with a center signal pin and a universal female barrel socket, it allows you to repurpose standard power supplies for modern high-wattage computing hardware.
Precision Square Male Plug: Specifically engineered to match the proprietary square DC charging ports found on modern high-performance laptops and workstations.
Integrated Center Signal Pin: Features the critical internal pin necessary for power management communication between the charger and the device.
Universal Female Socket Input: The input end features a standard DC socket designed to accept common barrel-style power plugs, allowing for versatile charging options.
Ruggedized Industrial Housing: Encased in a reinforced, impact-resistant black polymer shell designed to withstand the heat and mechanical stress of high-wattage charging.
Corrosion-Resistant Gold/Yellow Interface: The connector tip features the signature yellow coding for easy identification and high-quality plating for optimal power conductivity.
Output Connector: Lenovo Proprietary Square Male Plug (Yellow Tip).
Input Connector: Universal DC Power Female Socket.
Signal Support: Integrated Center Pin for Power Recognition.
Housing Material: Industrial Grade Reinforced ABS.
Application: Primarily used for modern Lenovo ThinkPad, IdeaPad, and Legion series laptops, as well as compatible docking stations.
How do I know if my laptop supports this square plug? This "Slim Tip" square connector replaced the older round barrels on most Lenovo professional and gaming laptops after 2013. If your current charging port looks like a yellow USB port but is used for power, this is the correct adapter.
Will this work with any power brick? While the adapter fits standard plugs, you must ensure your power supply provides the correct voltage (usually 20V for Lenovo) and high enough amperage/wattage for your specific laptop model. Passive adapters do not convert voltage.
Why does my laptop say "Slow Charger" when using this? High-performance laptops use the center pin in this adapter to detect the charger's capacity. If the power source you plug into the socket has a lower wattage than your original charger, the laptop may limit performance or charge slowly to protect the hardware.
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