BLP803 / BLP 805 Original-Capacity Replacement Battery (5000mAh)

The BLP803 is a high-capacity internal Lithium-ion Polymer replacement battery manufactured under the BBK Electronics umbrella for various popular Oppo and Realme budget and mid-range smartphones. Because these specific devices run massive 90Hz displays and highly active network modems, an aging factory cell will cause heavy performance throttling, sharp percentage drops under a 30% threshold, or cause the device to get stuck in a continuous loop on the “Realme” or “Oppo” startup logo. Upgrading to a premium, true-capacity unit safely restores your phone’s multi-day standby lifecycle.

• Battery Model: BLP803

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

• True Capacity: 5000 mAh (Typical) / 4890 mAh (Rated)

• Standard Voltage: 3.87V

• Charging Voltage Limit: 4.45V

• Fast Charge Support: Integrates seamlessly with standard 18W fast charging protocols without triggering overheating or thermal safety throttling.

• Safety Infrastructure: Equipped with an original-grade double-IC Protection Circuit Board (PCB). This architecture dynamically filters voltage surges, safeguards against continuous overnight overcharging, and ensures accurate battery health reporting to the OS.

• Device Compatibility: This exact 5000mAh physical footprint and flex connector setup precisely fit:

  • Realme C17

  • Realme 7i

  • Realme 7 (Global Edition)

  • Realme 8 5G

  • Realme Narzo 30 5G

  • Realme V3 / V3 5G

  • Oppo A53 (2020)

  • Oppo A73 5G