Big Battery The 7300 mAh High-Density Battery ensures exceptional endurance, delivering long-lasting power. By leveraging vivo’s signature slim stacking expertise and innovative space utilization, T4 achieves significant upgrades in battery with a Big Battery, 7300 mAh, while maintaining virtually the same thickness Slim Smartphone The 3rd-Generation Silicon-Carbon Anode Technology boosts energy density, delivering a large battery capacity in a slim design. The 7300 mAh High-Density Battery ensures exceptional endurance, delivering long-lasting power.