Dell 7T7DY Primary 70Wh 6-Cell Lithium-Ion Laptop Battery

Laptop batteries degrade over time, leaving you tethered to a power outlet and cutting your productivity short. The Dell 7T7DY Primary battery restores dependable, long-lasting power to your compatible Dell Latitude or Precision workstation, so you can work unplugged with confidence.

Who is it for

This battery is for professionals and students using Dell Latitude E5440, E5540, E6440, E6540, or Precision M2800 laptops who need a reliable replacement for their worn-out original battery.

Main features

• 70Wh capacity and 6-cell lithium-ion chemistry deliver extended runtime for all-day productivity.
• 11.1V output and 6310mAh amperage ensure stable, consistent power delivery.
• Internal installation fits seamlessly into the laptop's battery bay.
• Black colour matches the original component.
• Rechargeable design allows hundreds of charge cycles.

Specifications

• Battery type: Lithium-Ion (Li-ion)
• Capacity: 70 Wh
• Number of cells: 6
• Voltage: 11.1 V
• Amperage: 6310 mAh
• Product series: Primary (PRI)
• Product type: Laptop Battery
• Compatibility: Dell Latitude E5440, E5540, E6440, E6540, Dell Precision M2800
• Colour: Black
• Rechargeable: Yes
• Installation type: Internal
• Condition: New

Tips

To maximise battery lifespan, avoid extreme temperatures and fully discharge the battery once a month. Always use a compatible Dell charger for recharging.