CoreParts MBXAS-BA0004 laptop spare part Battery

The CoreParts MBXAS-BA0004 replacement battery for Asus is a black 8-cell Lithium-Ion pack with a nominal capacity of 4400 mAh (63.36 Wh) and a nominal voltage of 14.4 V. Manufactured in China and supplied under the MicroBattery brand, this battery is designed to restore power and extend the operating time of compatible Asus laptop models while meeting standard quality and reliability checks. It ships with a 12-month warranty.

Advantages

This replacement battery uses Li‑Ion cells to provide stable power delivery and efficient energy management. Its compact 8‑cell design balances capacity and weight (0.41 kg) to maintain portability. Compatibility with multiple Asus models makes it a versatile spare or replacement, and the included 12‑month warranty offers standard after‑sales protection.

Suitable for

• Asus U36SD
• Asus U36JC
• Asus U82U / U82
• Asus U44
• Asus X32

Key specifications

• Manufacturer: MicroBattery / CoreParts
• Model / MPN: MBXAS-BA0004
• EAN: 5711783233732
• Battery technology: Lithium‑Ion (Li‑Ion)
• Cells: 8
• Capacity: 4400 mAh (63.36 Wh)
• Voltage: 14.4 V
• Colour: Black
• Weight: 0.41 kg
• Warranty: 12 month(s)

How to use

Turn off the laptop and disconnect any power adapter before replacing the battery. Remove the existing battery following the laptop manufacturer’s instructions, insert the MBXAS-BA0004 pack until it locks into place, and reconnect the power adapter. After first installation, fully charge the battery before use to calibrate the battery management system. For detailed removal and installation steps consult your Asus service manual for the specific model.

Recommendations

Store the battery at room temperature in a dry place if not used for long periods. Avoid exposure to high temperatures or direct sunlight. Use original or certified chargers and avoid physical damage. Recycle the battery according to local regulations.