Origin Storage 2X1V9-BTI βιομηχανική επαναφορτιζόμενη μπαταρία, 4740 mAh

Replacement battery origin storage for Dell Latitude 5440/5540, 3‑cell, 11.4V is a compatible power module designed to restore portable runtime for Dell Latitude 5440 and 5540 notebook computers. The battery provides a nominal voltage of 11.4V and uses a three-cell configuration to deliver balanced energy density and compact form factor, allowing users to replace worn or failing original batteries and regain mobile productivity.

Advantages

This replacement battery offers straightforward compatibility with specified Dell Latitude models and follows the same voltage and cell configuration as typical original units, enabling reliable power delivery for everyday tasks. The compact 3‑cell design reduces weight and preserves the laptop’s original fitment and ergonomics. The battery is intended for easy swap-in replacement to recover usable runtime without requiring repair of the device itself.

Suitable for

• Replacing worn or failing batteries in Dell Latitude 5440 or 5540 notebooks
• Extending runtime for mobile office work and travel
• Providing backup power for short-term offline use or presentations
• Maintaining productivity when the original battery no longer holds charge effectively

Key specifications

• Cell count: 3 cells
• Nominal voltage: 11.4 V
• Form factor: internal laptop battery sized for Dell Latitude 5440/5540
• Typical use: replacement for original battery in compatible notebook models

How to use

Power down the laptop and disconnect any external power source before attempting replacement. Remove the access cover or battery latch per the notebook manufacturer’s instructions, then gently extract the depleted battery and install the replacement ensuring connector alignment and secure seating. Reattach covers and reconnect external power to perform a full charge cycle. After installation, check the operating system battery status to confirm recognition and charging behavior.

Recommendations

Charge the new battery fully before first extended use and perform regular charge/discharge cycles to maintain capacity. Store the battery in a cool, dry place when not in use and avoid exposure to extreme temperatures. Follow the Dell Latitude 5440/5540 service manual or manufacturer guidance for safe removal and installation to prevent damage to the notebook or battery.