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Dell 41Wh 3-cell Lithium Ion battery is a rechargeable replacement designed for compatible laptop models to restore portable power and extend runtime for everyday tasks. The battery offers a rated energy capacity of 41 watt-hours and a 3-cell configuration that matches the electrical and mechanical design of supported systems, allowing direct swap with batteries that use the same form factor and connector layout. It is intended for users who need to replace an existing battery to regain original battery life and maintain standard charging and power-delivery behavior.

Advantages

This 41Wh, 3-cell Lithium Ion unit provides a balance of usable runtime and compact size, suitable for thin and lightweight laptop designs. The battery follows standard charging parameters and integrates with the laptop charging circuitry to manage charge cycles and power output. Its compatibility-oriented design simplifies replacement and reduces the need for technical modification, while the rechargeable chemistry ensures multiple charge/discharge cycles under normal use.

Suitable for

• Replacing an aged or failing laptop battery
• Extending mobile runtime for work, study, or travel
• Maintaining reliable power delivery for daily productivity tasks
• Swapping into laptops that use the same 3-cell, 41Wh battery form factor and connector

Key specifications

• Battery chemistry: Lithium‑Ion
• Rated energy: 41 Wh
• Cell count: 3 cells
• Intended use: Rechargeable internal laptop battery
• Dimensions and weight: compact, designed for compatible laptop bay (varies by model)
• Charging behavior: standard charge/discharge profile managed by laptop firmware

How to use

Power the laptop down and disconnect any external power sources before replacing the battery. Remove the service access panel or follow the laptop manufacturer’s instructions to access the battery bay, then disconnect the old battery connector and remove the pack. Install the replacement battery by seating it in the same orientation, reconnecting the battery connector firmly, and reassembling the access panel. After installation, connect the AC adapter and allow the system to recognize and charge the new battery; calibration or a full charge cycle may be performed according to the laptop manufacturer’s maintenance guidance.

Recommendations

Use the battery only in laptops specified to accept this 3-cell 41Wh form factor. Avoid exposure to extreme temperatures and handle the battery per standard safety instructions. For best long-term performance, follow manufacturer guidance on charging cycles and storage when the battery is not in use.