AC Adapter Lenovo 45W PD3.045W 2‑pin — compatible power supply for Lenovo laptops

The Lenovo 45W PD3.045W 2‑pin AC adapter is a compact mains power supply designed for compatible Lenovo laptops and mobile devices. It delivers up to 45 watts of power through a two‑pin input and a USB Power Delivery output, providing a stable charging source for everyday use. Intended as a replacement or spare, this adapter is sized for portability and straightforward connection in home, office, or travel environments.

Advantages

This AC adapter provides stable 45W output suitable for charging a range of compatible Lenovo notebooks and small devices that accept USB Power Delivery. Its compact, lightweight housing and two‑pin mains connection reduce bulk in bags and make it convenient for mobile use. The adapter includes built‑in protection features that help maintain consistent charging under varying mains conditions, and its universal PD compatibility enables straightforward plug‑and‑play operation with supported devices.

Suitable for

• Charging compatible Lenovo laptops and ultrabooks that accept USB Power Delivery at up to 45W
• Providing power to tablets, mobile devices, and accessories that are PD‑capable
• Use as a replacement or spare adapter for home, office, or travel
• Lightweight mobile setups where compact mains adapters are required

Key specifications

• Output power: up to 45 watts
• Power delivery (PD) protocol support for negotiated voltages and currents
• Mains input: two‑pin connector (compact plug form)
• Portable, lightweight form factor suitable for travel
• Built‑in surge and short‑circuit protection

How to use

Connect the two‑pin mains plug to a suitable AC outlet and attach the adapter's USB‑PD output to the laptop or device using a compatible USB cable. The device and adapter will negotiate the appropriate voltage and current automatically when both support the Power Delivery standard. Monitor charging status via the device's battery indicator and disconnect once charging is complete or when the device reaches the desired battery level. For storage, unplug the adapter from the mains and coil the cable without sharp bends.

Recommendations

Use the adapter with devices that explicitly support USB Power Delivery and accept up to 45W input. Avoid using damaged cables or connectors, and keep the adapter in a well‑ventilated area during operation to prevent overheating. If a device requires higher power than 45W, use a higher‑rated adapter to ensure adequate performance.