Samsung Galaxy S21 FE Battery EB-BG990ABY 4500mAh

Battery for Samsung Galaxy S21 FE: Stable 4500mAh Battery Life

This battery for Samsung Galaxy S21 FE restores the appropriate usage time to your smartphone. This is a replacement accumulator with the reference EB-BG990ABY, designed to restore reliable electrical operation to the device.

Technical Specifications

• Part type: Battery
• Compatibility: Galaxy S21 FE (SM-G990B, SM-G990B/DS, SM-G990U, SM-G990U1, SM-G990W, SM-G990E, SM-G9900)
• Reference: EB-BG990ABY
• Capacity: 4500mAh
• Quality: Premium

When to Replace

• The battery discharges very quickly during daily use.
• The phone switches off unexpectedly with a visible charge percentage.
• The equipment only stays on when connected to the charger — confirm diagnosis.
• It presents visible swelling that pushes the back cover.
• Charging is excessively slow or stalls — confirm diagnosis.

Notes for the Technician

• Test before applying: connect the battery without gluing it and confirm that the equipment boots, charges and shows the percentage correctly. Thus, if there is any problem, the return or warranty is handled quickly and simply.
• Repair difficulty: Medium.
• Access is made by removing the back cover with moderate heat and the upper intermediate shield.
• Always disconnect the battery from the mainboard before removing the old component or handling other flexes.
• Use isopropyl alcohol to soften the adhesive under the battery and never use piercing metal tools near the cell.
• New adhesive for fixing the new unit is sold separately.

What Distinguishes This Version

This unit belongs to the Premium market level, being the highest range available in the compatible aftermarket segment. It is the perfect solution for workshops and demanding users who seek charge stability and uncompromising safety.

Frequently Asked Questions

Does the battery fit the standard Galaxy S21 or S21 Plus?

No. This EB-BG990ABY battery has specific dimensions and connector for the Galaxy S21 FE, and is not compatible with other models of the S21 range.

The phone does not turn on, does replacing the battery solve it?

If the old battery has completely lost the capacity to retain charge yes, but failures in the charging port or mainboard produce similar symptoms — confirm the technical diagnosis before replacement.

Each unit is subject to rigorous technical control and tested by Micro Wire before shipment, with fast dispatch from Portugal. If you do not want to repair we can do it for you.