Vivo X21 & X21A (B-D7) Li-Po Replacement Battery
The Vivo B-D7 is a reliable lithium-polymer replacement battery designed for Vivo X21 series smartphones. Built for stable voltage output and efficient energy performance, it helps restore your device’s original battery life and ensures consistent power for everyday use, including calls, apps, and multimedia.
Specifications
- Model: B-D7
- Battery Type: Rechargeable Li-Polymer Battery
- Nominal Voltage: 3.85V
- Limited Charge Voltage: 4.4V
- Rated Capacity: 3080mAh / 11.85Wh
- Typical Capacity: 3200mAh / 12.32Wh
- Compatibility: Vivo X21, Vivo X21A, Vivo X21 (2018)