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Lenovo ThinkPad W520 W530 170W AC Adapter Charger 45N0353

Lenovo ThinkPad W520 W530 170W AC Adapter Charger 45N0353

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Description
Compatibility
FAQ

The 45N0353 AC power adapter for the Lenovo ThinkPad 170W is made for use with Lenovo ThinkPad mobile workstations and laptops which need a 20V, 8.5A power supply and provides a maximum output power of 170W, having a large round DC connector of dimensions 7.9 × 5.5mm.

The adapter listed applies to the Lenovo ThinkPad W520, W530, W700, and W701. It is important that before you buy it you check the part number, output rating, and connector size of your original adapter to make sure that the replacement will be suitable.

Key Features

  • 170W Power Output: Provides up to 170W at 20V and 8.5A for compatible ThinkPad systems.

  • Large Round DC Connector: Uses a 7.9 × 5.5mm connector; confirm the size and fit against your original charger.

  • Compatible Part Number: Matches the listed Lenovo adapter part number 45N0353, also written as 045N0353.

  • ThinkPad Workstation Compatibility: Listed for the ThinkPad W520, W530, W700, and W701, subject to verification of the required power specifications.

  • Direct AC Power: Supplies power to a compatible laptop through its DC charging port.

Technical Specifications

Specification Details
Brand Lenovo
Product Type AC Power Adapter / Laptop Charger
Model / MPN 45N0353
Alternate Part Number 045N0353
Output Voltage 20V DC
Output Current 8.5A
Maximum Output Power 170W
DC Connector Large round connector
Connector Size 7.9 × 5.5mm
Listed Compatible Models ThinkPad W520, W530, W700, W701
Power Method Direct AC adapter charging

Compatible Lenovo ThinkPad Models

This 170W Lenovo power adapter is listed for the following models:

  • Lenovo ThinkPad W520

  • Lenovo ThinkPad W530

  • Lenovo ThinkPad W700

  • Lenovo ThinkPad W701

Compatibility can vary by exact laptop configuration and original power supply. Check the model-specific power requirements and connector dimensions before ordering.

 

Frequently Asked Questions

1. Is the Lenovo 45N0353 charger compatible with the ThinkPad W520?

The ThinkPad W520 is one of the listed compatible models. Confirm that your laptop requires a 170W, 20V adapter and uses the 7.9 × 5.5mm connector.

2. Can I use this 170W adapter with a Lenovo ThinkPad W530?

The W530 is also listed as compatible. Verify the original adapter’s part number and power specifications before purchase.

3. What are the output specifications of the Lenovo 45N0353 power adapter?

It provides 20V DC at 8.5A, with a maximum rated output of 170W.

4. What is the connector size?

The listed DC connector measures 7.9 × 5.5mm. Compare it with your original connector to ensure a proper fit.

5. Which part numbers should I check when replacing this charger?

The supplied part numbers are 45N0353 and 045N0353. Matching the part number is a useful way to identify a replacement, but the output rating and connector should also match.

6. Can I use a 170W charger instead of a lower-wattage ThinkPad adapter?

Only if the laptop supports the adapter’s voltage, connector, and power specifications. Do not select a charger based on wattage alone; check Lenovo’s requirements for your exact model.

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