: If a charger is $10 on a marketplace when the official one is $50, it likely lacks safety certifications like UL or RCM, which can lead to overheating or motherboard damage.

& Staples : Reliable for business-grade ThinkPad accessories.

: If your laptop's physical labels are worn off, open the Lenovo Vantage app (pre-installed on most systems) to see your exact model and serial number for easier searching.

Pro Tip : You can use a higher wattage charger (e.g., a 90W charger on a 65W laptop) without harm, but never use a lower wattage one, as it may not charge while the laptop is in use.

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