Oppo / Realme BLP911 Original-Capacity Replacement Battery (5000mAh)

The BLP911 is a high-density, performance-grade internal Lithium-ion Polymer replacement battery manufactured under the BBK Electronics supply chain. It serves as the primary powerhouse for several highly popular Realme and Oppo mid-range smartphones. Because these specific devices run powerful processors and process fast-charging cycles frequently, an aging or degraded factory cell faces distinct thermal strain.

Common symptoms of a worn battery include severe battery percentage jumping (e.g., dropping from 40% to 15% instantly), structural back panel expansion due to chemical bloating, or the device getting stuck in a continuous boot loop on the “Realme” or “Oppo” startup logo. Installing a premium-grade BLP911 cell entirely solves these power issues and restores original multi-day standby performance.

• Battery Model: BLP911

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

• True Capacity: 5000 mAh (Typical) / 4880 mAh (Rated)

• Standard Voltage: 3.87V

• Charging Voltage Limit: 4.45V

• Fast Charge Support: Natively calibrated to handshake safely with Oppo/Realme’s 33W SuperVOOC fast charging standard without overheating or triggering aggressive resistance.

• Safety Integration: Includes an original-spec integrated dual-IC Protection Circuit Board (PCB). This safeguards the smartphone’s internal logic array from high-voltage surges, controls temperatures during heavy processing, and feeds accurate real-time percentage syncing to Realme UI / ColorOS.

• Device Compatibility: This exact 5000mAh structural frame and localized flex ribbon dock map precisely to:

  • Realme 9i 4G / 5G (Model: RMX3491)

  • Realme 9 Pro 5G (Models: RMX3471, RMX3472)

  • Oppo K10 4G (Model: CPH2373)

  • Realme V25 (Model: RMX3475)