BLP729 / BLP 727 Original-Capacity Replacement Battery (5000mAh)

The BLP729 is a high-density internal Lithium-ion Polymer replacement battery manufactured under the BBK Electronics supply umbrella. It is highly distributed across Bangladesh due to its role as the powerhouse for several generations of Realme’s most successful entry-level and mid-range devices. An aging or degraded factory cell typically exhibits symptoms like dropping charge rapidly below 30%, localized heat buildup, or keeping the phone stuck on the “Realme” startup splash screen. Swapping in a fresh BLP729 cell safely restores the device to its factory-standard multi-day standby lifecycle.

• Battery Model: BLP729

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

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

• Standard Voltage: 3.87V

• Charging Voltage Limit: 4.45V

• Safety Integration: Built with an integrated dual-IC Protection Circuit Module (PCM). This board shields your smartphone’s logic array from high-voltage spikes, prevents bloating caused by overnight overcharging, and stabilizes power input under thermal load.

• Device Compatibility: This 5000mAh structural profile and flex connecter clip fit precisely into:

  • Realme 5 / Realme 5i / Realme 5s

  • Realme C3 / Realme C3i

  • Realme C11 / Realme C11 (2021)

  • Realme C20

  • Realme C21 / Realme C21Y

  • Realme Narzo 10A