MacBook Pro 15’’ Retina Battery A1820

Battery for MacBook Pro 15 Retina: Autonomy and Charge Stability

Esta replacement battery was developed for the MacBook Pro 15 Retina with the aim of restoring the laptop's autonomous operation. It is an energy accumulator suitable for resolving power failures and premature charge loss in the equipment.

Technical Specifications

• Part type: Replacement battery
• Compatibility: MacBook Pro 15 Retina
• Technical reference: BAT-A1820
• Battery model: A1820
• Quality: OEM

When to Replace

• The laptop shuts down suddenly when unplugged from the charger
• Maintenance warning or recommended service in battery status
• Drastically reduced autonomy during normal tasks
• Swollen battery pressing against the bottom case or trackpad
• The equipment does not turn on without being plugged into the mains — confirm the diagnosis

Notes for the Technician

• Test before applying: connect the battery without sticking it and confirm that the equipment starts up, charges and shows the percentage correctly. Thus, if there is any issue, the return or warranty is handled quickly and simply.
• Installation difficulty: Advanced.
• The intervention requires removing the bottom cover and previously disconnecting the logic board connector to prevent short-circuits.
• The cells are fixed with strong tape to the chassis, requiring suitable solvent and plastic tools; new adhesive sold separately.
• Perform full calibration with an initial charge and discharge cycle after assembly.

What Distinguishes This Version

This OEM quality version features the same operating specifications, making it the ideal solution for professional technicians seeking reliability. It is the right choice to repair the equipment while maintaining the stability required for daily use.

Frequently Asked Questions

Does this battery fit other MacBook Pro sizes?

No, this component is intended exclusively for the 15-inch MacBook Pro chassis compatible with the A1820 model.

The laptop does not turn on without the charger, does replacing the battery fix it?

If the previous battery cells have exhausted their lifespan, installing this component restores normal startup, provided the logic board has no faults in the power circuit.

This item was tested by Micro Wire before dispatch, with fast shipping from Portugal. If you do not want to repair it, we can do it for you.