DELL HD4J0 laptop spare part Battery

The DELL HD4J0 battery is a 4-cell lithium-ion replacement battery designed to restore portable power to compatible Dell laptops. With a rated capacity of 42 Wh (2630 mAh) and a black housing, this battery provides continued operation when you are away from mains power and is intended as a direct replacement to maintain your laptop's usability.

Advantages

The HD4J0 offers a nominal 42 Wh capacity and compact 4-cell design for a balance of runtime and size. It is manufactured to Dell specifications for compatibility with supported laptop models and is straightforward to install. The lithium-ion chemistry delivers stable discharge characteristics and consistent performance over regular use.

Suitable for

• Replacing a worn or failing battery in compatible Dell laptops
• Users who require extra runtime for travel or mobile work
• Service and repair shops performing battery replacements

Key specifications

• Model: DELL HD4J0 (MPN: HD4J0)
• Type: 4-cell lithium-ion battery
• Capacity: 42 Wh (2630 mAh)
• Colour: Black
• Brand: Dell
• Category: Batteries for portable devices

How to use

Before installation, power down the laptop and disconnect any power adapter. Remove the existing battery following the laptop manufacturer's instructions, then align and insert the DELL HD4J0 battery until it clicks or locks in place. Reconnect the power adapter and power on the laptop. Charge the new battery fully before first use to ensure proper calibration.

Recommendations

Store and operate the battery within the temperature range specified by your laptop manufacturer, avoid prolonged exposure to high temperatures, and use only approved chargers and adapters. Dispose of the battery according to local regulations for lithium-ion batteries.