Dell 70 Wh 6-článková primárna lítium-iónová batéria (451-BDGJ)

This Dell primary battery delivers 70 Wh capacity in a 6-cell lithium-ion configuration, built for Latitude E5440, E5540, E6440, E6540 and Precision M2800 notebooks. Unlike generic replacements, it is a Dell-branded unit with part number 451-BDGJ, ensuring proper fit and communication with the host system.

Highlights

• 70 Wh capacity for extended runtime
• 6-cell lithium-ion chemistry
• 11.4 V nominal voltage
• Black colour
• Dell part number 451-BDGJ

In daily use

The battery installs internally as the primary power source. It is rechargeable and designed for the listed Dell models, restoring original runtime and charge behaviour.

Full specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Number of cells: 6
• Capacity: 70 Wh
• Voltage: 11.4 V
• Product type: Laptop Battery
• Usage: Primary Internal Battery
• Rechargeable: Yes
• Colour: Black
• Brand: Dell
• Compatibility: Dell Latitude E5440, E5540, E6440, E6540, Precision M2800

Final note

Verify your laptop model before ordering to ensure compatibility.