Lenovo Small Pin

Lenovo 65W “Small Pin” AC Adapter – Slim-Tip Compatible Power Supply

Power your Lenovo laptop reliably with the Lenovo 65W “Small Pin” AC Adapter, featuring the compact 4.0 × 1.7 mm round-tip connector (often called the slim tip). This genuine Lenovo charger delivers efficient and safe charging for compatible ultraportable and IdeaPad/ThinkPad models.

Power & Performance

• 65 Watts Output: Provides 20 V DC at 3.25 A to support everyday productivity and moderate workloads

• Built for global use with 100–240 VAC input compatibility

• Offers fast and stable power delivery with minimal heat and noise

Slim-Tip Connector Features

• Uses Lenovo’s small round-tip connector (4.0 × 1.7 mm)—commonly referred to as the slim tip

• Includes a third “signal pin” resistor that communicates charger wattage to the laptop, enabling proper power negotiation and safe charging

• Simple design: laptop reads the resistor value to verify the adapter’s capacity

Why This Original Is the Smart Choice

• Lenovo-Approved Quality: Ensures compatibility and avoids error messages or low-charge warnings

• Compact & Lightweight: Designed for portability and easy storage in travel setups

• Multiple Safety Protections: Over-voltage, over-current, short-circuit, and thermal safeguards included

Compatible Models & Use Cases

• Ideal replacement or backup charger for Lenovo models using the slim-tip barrel connector, including many ThinkPad, IdeaPad, Yoga, and other legacy notebooks

• Works as the primary or spare adapter at home, in the office, or during travel

Designed for Modern Use, Compatible with Classic Systems

Whether you’re replacing a worn-out charger or need an extra power source for work or travel, the Lenovo 65W Slim-Tip AC Adapter ensures your device charges safely and reliably — exactly as intended.

Reliable performance. Official Lenovo quality.