DELL HJ8KP Laptop Battery Spare Part

The DELL HJ8KP 4-cell Lithium-ion battery provides portable power for compatible Dell laptops. With a usable capacity of 42–45 WHr (listed as 42 Wh in product data and up to 45 WHr in the source text) and a 6000 mAh rating, this black replacement battery is designed for reliable runtime and straightforward installation. Built-in safety protections reduce risks from overcharging and overheating.

Advantages

This Dell battery offers a compact 4-cell design that balances capacity and weight for mobile use. The 6000 mAh capacity and 42–45 WHr energy rating extend laptop operating time compared with depleted cells, while integrated safety features provide overcharge and thermal protection. Its form factor and connector match compatible Dell models for easy swap-in replacement.

Suitable for

• Replacing a worn or failing battery in compatible Dell laptops
• Extending runtime for mobile work, study, or travel
• Keeping a spare battery for remote use or long meetings

Key specifications

• Manufacturer: Dell
• Model / MPN: HJ8KP
• Battery type: Lithium-ion, 4-cell
• Capacity: 6000 mAh
• Energy: 42 Wh (source also cites up to 45 WHr)
• Colour: Black
• EAN: 5711045895081

How to use

Power off the laptop and disconnect any external power source before replacing the battery. Remove the service cover or release the battery latch according to your laptop model’s instructions, swap in the DELL HJ8KP battery, secure the battery or cover, and reconnect power. After installation, charge the battery fully before first use and verify normal charging and battery status in the operating system.

Recommendations

For safe operation, use the Dell HJ8KP battery only in compatible Dell laptop models, follow manufacturer instructions for installation, avoid exposing the battery to extreme heat or moisture, and dispose of used batteries according to local electronic waste regulations.