New Lenovo ThinkPad L440 L540 Series DC Power Jack with Cable 04X4830

Product Description

This new compatible DC power jack with cable is designed for selected Lenovo ThinkPad L440 and L540 series laptops. It connects the laptop’s DC-in power socket to the internal power circuit, allowing power from a compatible AC adapter to reach the motherboard.

A damaged or loose DC jack may cause intermittent charging, a loose adapter connection, or failure to power on. Before ordering, compare the original part number, cable length, connector, and mounting points to ensure compatibility.

Compatible Models

• Lenovo ThinkPad L440
• Lenovo ThinkPad L540

Important: Compatibility may vary by exact model and hardware revision. Verify the original DC jack and cable before purchasing.

Compatible Part Numbers

• 04X4830
• Lenovo ThinkPad DC Power Jack with Cable

Product Details

• Product Type: DC Power Jack with Cable
• Condition: New Compatible Part
• Brand Compatibility: Lenovo
• Compatible Series: ThinkPad L440, L540
• Part Number: 04X4830
• Function: Connects the DC-in power socket to the laptop’s power circuit
• Installation: Internal laptop component
• Cable Included: Yes, as specified in the product title

Warranty Details

1 Month Replacement Warranty

Important Note

• Confirm that the original part number is 04X4830 before ordering.
• Compare the cable length, connector, socket shape, and mounting points with your existing part.
• A faulty AC adapter or battery may also cause charging issues; diagnose the problem before replacing the jack.
• Disconnect the AC adapter and internal battery before installation.
• Professional installation is recommended to avoid damage to the motherboard.
• This is a compatible replacement part and is not necessarily manufactured by Lenovo.

Frequently Asked Questions

Q1. Which Lenovo laptops are compatible with this DC power jack?
It is intended for selected ThinkPad L440 and L540 models. Verify the original part number and cable layout before ordering.

Q2. What is the part number of this DC jack?
The listed part number is 04X4830.

Q3. Does this product include the cable?
Yes, it is listed as a DC power jack with cable. Confirm the supplied components before purchase.

Q4. Can a faulty DC jack cause charging problems?
Yes. A damaged or loose jack may cause intermittent power or charging problems, although the adapter, battery, or motherboard can also be responsible.

Q5. Does this DC power jack include a warranty?
Yes, it includes a 1 Month Replacement Warranty, subject to the seller’s applicable warranty terms.