Dell 42Wh 3-Cell Lithium-Ion Laptop Battery for Latitude 5400 5500 5401 5501 5410 5510 5411 5511 Precision 3540 3550 3551 (451-BDBA)

Field technicians and office professionals rely on the Dell 42Wh Lithium-Ion battery to keep their Latitude and Precision laptops running through long shifts away from power outlets. This genuine Dell internal battery delivers consistent, safe power for compatible Dell Latitude 5400, 5500, 5401, 5501, 5410, 5510, 5411, 5511 and Precision 3540, 3550, 3551 models.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Number of cells: 3-cell
• Capacity: 42 Wh / 3684 mAh
• Voltage: 11.4 V
• Compatible battery models: P80G, P80F
• OEM status: Original Dell part
• Installation type: Internal
• Rechargeable: Yes
• Colour: Black
• Warranty: 1 year limited

Why choose it

As an original Dell accessory, this battery is engineered to meet strict safety and performance standards. It provides reliable runtime and integrates seamlessly with your laptop's power management, ensuring accurate charge reporting and protection against overcharging and overheating.

Ideal use cases

• Replacing a worn-out or failed original battery in compatible Dell Latitude or Precision laptops
• Keeping a spare battery for extended mobile work sessions
• Restoring full portability to a laptop that must stay unplugged for hours

Good to know

Installation requires opening the laptop case; professional installation is recommended if you are not familiar with internal components. The battery is rechargeable and designed for daily use. Always verify your laptop model before purchase to ensure compatibility.