Battery pack Dell Inspiron 13 5378 11.4V 3500mAh replacement battery

Replacement battery pack for Dell Inspiron 13 5378 with nominal voltage 11.4V and capacity 3500mAh. Designed to restore portable power for compatible Inspiron 13 5378 laptops, it provides reliable runtime for everyday tasks, travel, and mobile productivity. The pack is designed as a direct swap for the original internal battery and fits the Inspiron 13 5378 chassis and connector layout.

Advantages

This replacement battery offers the same nominal voltage and rated capacity as the original, enabling comparable runtime for browsing, document editing, and light multimedia use. It is a drop-in style internal pack engineered to match the physical dimensions and connector type of the Inspiron 13 5378, allowing straightforward installation without modification. The battery is intended to meet standard safety and charging characteristics for lithium-ion laptop cells, providing stable voltage under typical load conditions.

Suitable for

• Restoring battery life in Dell Inspiron 13 5378 laptops
• Replacing an aging or failing internal battery
• Extending unplugged working time for travel and remote work
• Backup power solution for everyday productivity and web browsing

Key specifications

• Nominal voltage: 11.4 V
• Rated capacity: 3500 mAh
• Battery chemistry: lithium-ion cells
• Form factor: internal replacement pack sized for Inspiron 13 5378
• Connector type: compatible with Inspiron 13 5378 internal battery connector

How to use

Power down the laptop and disconnect the mains adapter before attempting replacement. Remove the service panel or bottom cover according to the manufacturer’s instructions, taking care to keep track of screws and any retaining clips. Disconnect the existing battery connector from the motherboard, remove the old battery pack, and install the replacement in the same orientation. Reconnect the battery cable securely, reattach the cover, and power on the system. Verify battery recognition in the operating system and allow a full charge cycle before relying on estimated runtimes.

Recommendations

Use the replacement battery with the original Dell charging adapter and follow standard lithium-ion battery care: avoid excessive heat, charge and discharge within normal temperature ranges, and store partially charged if not used for extended periods. If the laptop reports any charging errors or abnormal behavior after installation, power off and verify connector seating or consult a qualified technician.