Battery DELL 451-BCNS for Latitude 5401 5410 5411 5510 5511 Precision 3541

The DELL 451-BCNS is a 4-cell Lithium‑Ion (Li‑Ion) spare battery compatible with Dell Latitude 5401, 5410, 5411, 5510, 5511 and Precision 3541 laptops. With a capacity of up to 68 Wh and a black housing, this battery provides portable power to keep your laptop running when you are away from mains supply.

Advantages

The battery offers reliable, OEM‑compatible power delivery and is designed to maintain laptop operation without interruption. Its Lithium‑Ion technology provides a balance of energy density and durability while the compact 4‑cell format preserves the laptop’s portability.

Suitable for

• Replacing a worn or failed battery in supported Dell Latitude and Precision models
• Keeping a spare battery for travel or extended mobile use
• Maintaining uninterrupted work during power outages or when working remotely

Key specifications

• Model: DELL 451-BCNS
• Compatibility: Latitude 5401, 5410, 5411, 5510, 5511; Precision 3541
• Battery technology: Lithium‑Ion (Li‑Ion)
• Cell count: 4‑cell
• Capacity: up to 68 Wh
• Colour: Black
• Manufacturer part number (MPN): 451-BCNS
• EAN: 5704174991434

How to use

Power off the laptop and disconnect any external power sources. Remove the existing battery according to the laptop’s service manual or manufacturer instructions, then insert the DELL 451-BCNS battery into the battery bay until it locks into place. Reconnect AC power and power on the laptop. Allow the battery to charge fully before first use for optimal calibration.

Recommendations

Store the battery in a cool, dry place when not in use. Avoid exposure to high temperatures and do not disassemble or puncture the battery. Use only Dell‑approved chargers and follow the laptop manufacturer’s safety guidelines for handling and disposal.