Battery RAYOVAC CoreParts MBXDE-BA0274 for Dell Inspiron 13 (56.00Wh, 15.2V, 3685mAh)

The RAYOVAC CoreParts MBXDE-BA0274 internal laptop battery is a direct replacement designed for selected Dell Inspiron 13 models. With a rated energy capacity of 56.00Wh (3685mAh) and a nominal voltage of 15.2V, this battery restores portable power to laptops that need extended runtime or whose original cells have degraded. The pack is engineered to match the electrical characteristics required by compatible systems and is supplied as a single unit intended for in‑device installation.

Advantages

This replacement battery offers tested performance and quality control to ensure compatibility and reliable operation in supported Dell Inspiron 13 notebooks. It provides a practical option for extending device use between charges, reducing the need for frequent recharging or immediate full-system replacement. The product is covered by a 12‑month warranty and is produced to support longer device lifecycles and reduced electronic waste.

Suitable for

• Replacing worn or failing internal battery cells in Dell Inspiron 13 7577
• Replacing worn or failing internal battery cells in Dell Inspiron 13 7779
• Replacing worn or failing internal battery cells in Dell Inspiron 13 7778
• Replacing worn or failing internal battery cells in Dell Inspiron 13 7353
• Users needing longer on‑battery runtime for general productivity and mobile use

Key specifications

• Battery type: internal laptop replacement pack
• Rated energy capacity: 56.00Wh
• Rated charge capacity: 3685mAh
• Nominal voltage: 15.2V
• Colour: black
• Pack contents: 1 piece (battery)
• Warranty: 12 months

How to use

Power down the laptop, disconnect any power adapter and remove the base cover following the manufacturer’s service instructions. Locate and disconnect the existing battery connector, then remove the old battery mounting screws and extract the pack. Fit the RAYOVAC CoreParts MBXDE-BA0274 into the same position, secure it with the original screws and reconnect the battery cable. Reassemble the base cover and charge the laptop fully before first use. If uncertain, refer to Dell service documentation or seek professional installation.

Recommendations

For optimal battery life, perform regular charge cycles instead of leaving the battery at full charge for extended periods and avoid exposing the laptop to excessive heat. Use the original or manufacturer‑recommended charger and update system firmware when available to ensure proper battery management.