Samsung Galaxy A31 Original-Capacity Replacement Battery (5000mAh)

The EB-BA315ABY is the official high-capacity internal Lithium-ion replacement battery designed by Samsung for the Galaxy A31. Because this phone features a vibrant Super AMOLED display and handles consistent daily social or media apps, its battery goes through intense charge cycles. A degraded factory cell usually displays common failure symptoms: losing battery percentages abnormally fast once it drops below 30%, swelling that pushes the back cover outward, or trapping the phone in an infinite restart loop on the “Samsung Galaxy” boot screen. Upgrading to a premium replacement cell safely restores your phone’s multi-day standby lifecycle.

• Battery Model: EB-BA315ABY

• Battery Type: Lithium-ion (Li-ion)

• True Capacity: 5000 mAh

• Standard Voltage: 3.86V

• Charging Voltage Limit: 4.43V

• Fast Charge Support: Fully matches Samsung’s 15W Adaptive Fast Charging standard safely without triggering performance throttling or safe temperature overshoots.

• Safety Infrastructure: Equipped with an original-grade double-IC Protection Circuit Board (PCB). This chip dynamically guards the phone’s internal logic circuitry against over-voltage surges, controls operating temperatures, and feeds accurate real-time health data to Samsung’s One UI system software.

• Cross-Device Compatibility: This exact 5000mAh structural form factor and flex connector dock also precisely fit into:

  • Samsung Galaxy A32 (4G Version)

  • Samsung Galaxy A22 (4G Version)

  • Samsung Galaxy F22