Lenovo 20V 3.25A 65W USB Adapter, USB Big Square (First Generation)

The Lenovo 20V 3.25A 65W USB Adapter with the first-generation big square connector is a reliable and efficient charging solution for select Lenovo ThinkPad and IdeaPad laptops. Designed to deliver a consistent 65 watts of power output, this adapter ensures your device receives safe, stable, and fast charging wherever you are — at home, in the office, or on the move.

Engineered for durability and performance, this original Lenovo adapter features built-in protection against voltage spikes, overheating, and short-circuits. The classic big square USB connector ensures broad compatibility across multiple Lenovo models, making it a dependable replacement or backup power supply.

Product Features

High Power Output

Provides 65W of total power (20V, 3.25A) for rapid charging and uninterrupted device performance.

First-Generation Big Square USB Connector

Features Lenovo’s signature rectangular charging tip for compatibility with earlier ThinkPad and IdeaPad series.

Built-in Safety Protections

Equipped with over-voltage, over-current, and short-circuit protection to safeguard your laptop during charging.

Lightweight and Travel-Ready

Compact, lightweight design allows for easy transport in laptop bags or backpacks, ideal for professionals on the go.

Durable and Reliable

Manufactured with high-quality components and rigorously tested for longevity and reliable operation.

Product Specifications

• Output Voltage: 20V

• Output Current: 3.25A

• Power Output: 65W

• Connector Type: USB Big Square (First Generation)

• Input Voltage: 100-240V AC

• Frequency: 50/60Hz

• Usage: Home, office, and travel

Compatible Lenovo Models

• ThinkPad Series: L412, L512, SL410, SL410K, SL510, SL510K, Edge E30, E40, E50, T410, T410s, T400s

• IdeaPad and Yoga Series: Yoga 710, Lenovo 310S-14