Battery B-Z3 by Vivo Y78 Plus 5G V2271A 5000 mAh premium quality

B-Z3 Battery for Vivo Y78 Plus 5G V2271A 5000 mAh Premium Quality

B-Z3 battery for Vivo Y78 Plus 5G V2271A in premium quality, designed to restore the autonomy and power stability of the device. This replacement part allows a degraded, swollen or significantly reduced-capacity battery to be replaced. Its internal format, flex cable and connector are intended for the verified Chinese Vivo Y78 Plus variant. It must be compared with the removed battery and tested before securing it and permanently closing the device.

The B-Z3 battery has a typical capacity of 5000 mAh, a rated capacity of 4900 mAh and a voltage of 3.89 V. Its typical energy is 19.45 Wh and it uses a rechargeable single-cell lithium-ion configuration. It provides a stable power supply during calls, browsing, multimedia playback and regular application use, helping to resolve accelerated discharge, unexpected shutdowns or irregular charging.

Premium quality provides electrical stability, uniform performance during charging cycles and a precise fit inside the internal compartment. This replacement part is intended for workshops and professionals who need to restore the power performance of the Vivo Y78 Plus. To prevent incompatibilities between regional variants, the B-Z3 reference, V2271A technical model, voltage, flex cable shape, connector and contact position must be checked.

Available for immediate shipping from Spain.

Installation advice

Completely disconnect the device before starting the repair.

Use ESD protection and suitable tools to handle the internal components.

Remove the deteriorated battery without piercing, bending or applying excessive heat.

Compare the B-Z3 reference, voltage, flex cable and connector with the removed battery.

Perform a power-on and charging test before permanently securing the battery.

Check that the charge percentage increases normally and that no restarts occur.

Replace the internal adhesives and completely remove the previous residue.

Complete several normal charging cycles to stabilise the capacity reading.

Notice

This battery is verified for the Vivo Y78 Plus 5G V2271A. It must not be considered compatible with the standard Vivo Y78, Vivo Y77 or other models sharing a 5000 mAh capacity. Before installation, compare the B-Z3 reference, technical model, voltage, flex cable shape, connector and contact position. Do not install the battery if any of these elements do not match.

Technical table