DELL 045N3J laptop spare part battery

The DELL 045N3J is a 3-cell replacement battery for compatible Dell laptops, offering up to 42 WHr capacity to maintain device operation when away from mains power. Designed to match Dell specifications, it supports extended use and is intended as a spare part to restore or extend laptop runtime while keeping safety and efficiency in mind.

Advantages

The battery provides reliable power delivery and is compatible with a range of Dell laptop models. Its 42 WHr capacity helps reduce the need for frequent recharging during mobile use. The unit is black and manufactured to meet design and safety expectations for laptop spare parts.

Suitable for

• Users who need a replacement battery for compatible Dell laptops
• On-the-go use where mains power is unavailable
• Extending the working time of an older laptop

Key specifications

• Brand: Dell
• Model / MPN: 045N3J
• Battery type: 3-cell lithium battery
• Capacity: up to 42 WHr
• Colour: Black
• EAN: 5715063015063

How to use

Power down the laptop and disconnect it from any power source. Remove the existing battery following the laptop manufacturer's service instructions, then insert the DELL 045N3J into the battery bay until it locks in place. Reconnect power and start the laptop; check the operating system battery indicator to ensure the replacement is recognized and charging. Refer to the laptop manual for any model-specific installation steps.

Recommendations

For best results, calibrate the new battery by charging it fully and then discharging to a low level before regular use. Avoid exposing the battery to extreme temperatures and follow Dell's safety guidelines for storage and disposal.