Lenovo 90W AC Power Adapter Charger (20V, 4.5A) – USB Square Tip

Description

Ensure your laptop always has the power it needs with the Lenovo 90W AC Power Adapter (20V, 4.5A). Designed as a perfect replacement or a reliable spare for your home and office, this charger is built to deliver consistent and safe energy to your compatible Lenovo devices.

This specific adapter utilizes Lenovo’s distinctive rectangular “Slim Tip” (often referred to as a USB square tip), which features a central smart pin to communicate safely with your motherboard. It provides enough wattage to quickly charge your battery while simultaneously running demanding applications on high-performance ThinkPad models, and it can also safely power devices that normally require only a 65W charger.

Key Features & Benefits:

• High-Power Output: Delivers a robust 90 Watts of power (20V / 4.5A), ideal for larger laptops, workstations, and fast-charging capabilities.

• Rectangular Slim Tip: Features the widely used yellow square connector with a center pin, designed specifically for modern Lenovo ThinkPad, IdeaPad, and Yoga series laptops.

• Built-in Safety Protections: Integrated circuitry guards your valuable hardware against over-voltage, short circuits, and overheating during extended use.

• Universal Voltage Support: Accepts standard 100-240V AC input, making it travel-ready and highly adaptable to fluctuating power grids.

• Durable Construction: Comes with heavy-duty cables and reinforced connector joints to withstand daily wear, bending, and transport.

Additional information

Input Voltage	100-240V AC, 50/60Hz
Output Voltage	20V DC
Output Current	4.5A
Total Power Rating	90W
Connector Size	Rectangular Slim Tip (USB-style Square Yellow Tip)
Compatibility	Lenovo ThinkPad (T, X, E, and L series), IdeaPad, and Yoga models requiring a 90W or 65W square tip charger.