Battery B-V8 4500mAh by Vivo Y77 5G China V2219A Vivo iQOO Z6 V2220A premium quality

B-V8 4500mAh Battery for Vivo Y77 5G China V2219A Vivo iQOO Z6 V2220A premium quality

B-V8 battery for Vivo Y77 5G China V2219A and Vivo iQOO Z6 V2220A in premium quality designed to restore autonomy, charging stability and power operation of the device. Vivo brand and technical models V2219A and V2220A verified for this reference. This replacement part allows the substitution of degraded, swollen batteries or batteries with noticeable performance loss, maintaining stable power delivery during daily use. Includes safe compatibilities with Vivo Y77 5G China and Vivo iQOO Z6, together with part number B-V8. Designed for professional installation, charging test and calibration before closing the chassis.

Specifications

Brand Vivo

Compatible models Vivo Y77 5G China, Vivo iQOO Z6

Technical models V2219A, V2220A

Component internal battery

Capacity 4500mAh

Voltage 7.78V

Chemistry lithium ion polymer

Part No B-V8

Quality premium

Premium quality guarantees good charging stability, balanced autonomy and correct fit inside the terminal housing. It is intended for professional repairs where the goal is to restore the power performance of the Vivo Y77 5G China or Vivo iQOO Z6 without modifying the normal behaviour of the device. Its 4500mAh capacity and 7.78V voltage allow a suitable replacement when the battery presents exhausted cycles, unexpected shutdowns, irregular charging or swelling. We recommend checking the reference printed on the removed battery, performing a controlled first charge and verifying consumption, temperature and percentage before final closure. Available for immediate shipping from Spain.

Installation tips

Disconnect the battery before handling any internal flex.

Use ESD protection throughout the process.

Test the battery cold before closing the terminal.

Check that the connector fits without pressure or twisting.

Perform a controlled initial charge and verify temperature.

Replace internal adhesives if they have lost fixation.

Calibrate the battery percentage after installation.

Notice

Before installation, always check the battery installed in the terminal. Some Vivo models may have regional variants or different internal references depending on the marketing area. Always compare the reference printed on the original battery, the technical model of the device, the flex and the connector position before removing adhesives or closing the device. This reference is intended for Vivo Y77 5G China V2219A and Vivo iQOO Z6 V2220A; it must not be confused with global Vivo Y77 5G variants with 5000mAh.

Technical table