Lenovo 4X20E50578 170W AC Adapter

Running out of power when you need to finish a report or join a video call can be frustrating, especially if you’re away from your desk. The Lenovo 4X20E50578 170W AC Adapter provides reliable, high-output charging for compatible ThinkPad laptops, keeping you productive wherever you plug in. Its compact design and energy-efficient rating mean you can carry it easily and power up quickly.

Usages of a 170W AC Adapter

Designed for ThinkPad models with the rectangular “slim tip” plug, this adapter fits seamlessly into a typical workday. Plug it into a wall socket at the office, home, or in a hotel room to charge your laptop while you work, stream, or attend meetings, ensuring the battery stays topped up for the whole day.

Benefits of Lenovo AC Adapter

• Fast charging: Delivers 170W power so your laptop powers up quickly and stays running under heavy workloads.
• Energy efficient: Meets Energy Star V (ES 2.0) standards, reducing electricity use and saving on bills.
• Wide compatibility: Works with all ThinkPad laptops that use the slim-tip connector, covering a broad range of models.
• Portable design: Small and lightweight, it’s easy to stash in a bag or keep a spare at home and the office.
• Reliable warranty: Backed by a 1-year warranty for peace of mind in case of any issues.

Why Choose Lenovo AC Adapter

Choosing this adapter means you get a power solution that matches the original specifications of your ThinkPad, so you won’t experience reduced performance or overheating. Its robust construction complies with multiple international safety standards, giving you confidence that it will operate safely in any supported region. With the ability to handle input voltages from 100-240 V, you can travel abroad and still charge your laptop without needing a separate converter.

The adapter’s 170W capacity ensures that even demanding tasks like video editing, 3D rendering, or running multiple applications won’t drain your battery quickly. By keeping a spare at work, at home, and in your travel kit, you eliminate the risk of being caught without power, letting you stay focused on what matters.

Key Features of a 170W AC Adapter

• Power Provided: 170 watt. Supplies enough energy for high-performance laptops.
• Input Voltage: AC 100-240 V. Works with wall outlets worldwide.
• Frequency Required: 50/60 Hz. Compatible with standard power grids.
• Form Factor: External. Easy to connect and replace.
• Color: Black. Blends discreetly with most workspaces.
• Compliance: C-Tick, BSMI, GOST, cUL, GS, NEMKO, NOM, CB, CCC, EMC, PSB, FCC, PSE Mark, ICES, MEPS, KC, CECP. Meets extensive safety and environmental standards.
• Operating Temperature: Min 41 °F, Max 104 °F. Functions reliably in typical indoor climates.
• Humidity Range: 8-80 % non-condensing. Stays safe in most office environments.
• Compatibility: Slim-tip rectangular plug for ThinkPad laptops. Fits the correct power port without adapters.
• Warranty: 1 year. Provides coverage for defects and peace of mind.

Specifications