Lenovo laptops have used several different charger connector types over the years. Before purchasing a replacement charger, it is important to identify the correct DC tip used by your laptop. The most common Lenovo charger connectors are the Slim Tip (Yellow Rectangular Tip), USB-C, and Round Barrel Tip.
What Is a Lenovo Slim Tip Charger?
The Lenovo Slim Tip, often called the Yellow Rectangular Tip, is one of the most widely used charger connectors found on Lenovo laptops. It features a slim rectangular shape with a yellow inner sleeve and is commonly used on many ThinkPad, IdeaPad, and Legion models.
Popular power ratings for Slim Tip adapters include:
- 45W (20V 2.25A)
- 65W (20V 3.25A)
- 90W (20V 4.5A)
- 135W (20V 6.75A)
- 170W / 230W (Gaming Models)
If your Lenovo laptop uses a yellow rectangular charging port and your model appears in the compatibility list, this charger is designed to work with your device.
How to Identify a Lenovo Slim Tip Connector
A Lenovo Slim Tip connector has:
- Rectangular shape
- Yellow-colored inner sleeve
- Flat metal contacts
- Used on many Lenovo business and consumer laptops
Many replacement Lenovo chargers sold today use this connector because it is compatible with thousands of Lenovo laptop models.
Other Lenovo Charger Connector Types
1. USB-C Chargers
Many newer Lenovo laptops now use USB-C charging ports instead of proprietary connectors. USB-C chargers are common on modern ThinkPad, ThinkBook, Yoga, and IdeaPad models.
- 45W USB-C Chargers
- 65W USB-C Chargers
- 90W USB-C Chargers
- 100W USB-C Chargers
- 140W USB-C Chargers (Selected Models)
USB-C connectors have a small oval shape and can be inserted in either direction.
2. Round Barrel Chargers
Older Lenovo laptops may use a traditional round barrel connector. These chargers were commonly used before Lenovo introduced the Slim Tip design.
Round barrel chargers are still found on some legacy ThinkPad and IdeaPad systems. Because several barrel sizes exist, always verify the connector size before ordering.
Can Different Wattages Be Used?
In many cases, a higher wattage Lenovo charger can safely replace a lower wattage charger as long as:
- The output voltage matches.
- The connector type matches.
- The charger provides at least the required current.
For example, a 90W Lenovo Slim Tip charger can often replace a 65W Slim Tip charger if the voltage and connector are identical.
How to Find the Correct Lenovo Charger
The easiest ways to identify the correct Lenovo charger are:
- Check the original charger label.
- Verify the laptop model number.
- Compare the charging port shape.
- Match the voltage and connector type.
If your Lenovo laptop uses the yellow rectangular charging port shown above, it likely requires a Lenovo Slim Tip charger. Always review the compatibility list and specifications before purchasing.
Looking for a Lenovo Slim Tip Charger?
If your Lenovo laptop uses the yellow rectangular Slim Tip connector, browse our collection of compatible Lenovo Slim Tip laptop chargers and replacement adapters.
Our selection includes adapters compatible with many ThinkPad, IdeaPad, ThinkBook, Legion, and other Lenovo laptop models.