Samsung Galaxy A51 Original-Capacity Replacement Battery (4000mAh)

The EB-BA515ABY is the dedicated internal Lithium-ion Polymer replacement battery engineered precisely for the Samsung Galaxy A51 (4G version). Given that this popular device operates a vivid Super AMOLED display, a worn-out or degraded factory battery will frequently present performance complications. Common failure signs include the device lagging heavily under low percentages, draining rapidly below 30%, overheating while navigating, or getting stuck in a continuous boot-loop on the “Samsung Galaxy” startup animation. Upgrading to a premium replacement cell restores the device to its native day-long backup.

• Battery Model: EB-BA515ABY

• Battery Type: Lithium-ion Polymer (Li-Po)

• True Capacity: 4000 mAh (Typical) / 3890 mAh (Rated)

• Standard Voltage: 3.85V

• Charging Voltage Limit: 4.4V

• Fast Charge Support: Natively syncs with Samsung’s 15W Adaptive Fast Charging system without causing safe temperature overshoots.

• Safety Integration: Formulated with an original-grade double-IC Protection Circuit Board (PCB). This chip safeguards your internal logic circuitry against over-voltage spikes, short circuits, and chemical swelling caused by continuous overnight charging.

• Device Compatibility: This exact 4000mAh layout and flex ribbon socket match:

  • Samsung Galaxy A51 4G (Model: SM-A515F, SM-A515F/DS, SM-A515F/DSN)