vivo X300s has the biggest ever battery in the X series

  • Posted on March 12, 2026, 7 a.m.

Vivo X300s: X Series Smokes the Competition with a Record-Breaking Battery

Vivo is turning up the heat on its teaser campaign for the upcoming X300s, and the latest revelation is a real game-changer. Following hints dropped earlier this week, Vivo has now officially confirmed that the X300s will boast a colossal 7,100 mAh battery. This isn't just an upgrade; it's a new benchmark, marking the largest battery capacity ever seen in the esteemed X-series lineup. Get ready for extended usage and fewer charging breaks.

7100mAh BlueVolt battery capacity.
7100mAh BlueVolt battery capacity.

But the X300s isn't just about endurance. Vivo has also officially confirmed a stunning 6.78-inch flat display, designed to impress with its fluid 144Hz refresh rate. Complementing the visual experience are symmetrical dual speakers, promising immersive audio. Gamers and power users will appreciate the inclusion of a custom vibration motor for tactile feedback and an advanced ultrasonic in-display fingerprint sensor for secure and swift unlocking. Furthermore, the device will support the speedy USB 3.2 Gen 1 standard for faster data transfers.

vivo X300s phone with large battery display
vivo X300s phone with large battery display
vivo X300s dual speakers and battery diagram.
vivo X300s dual speakers and battery diagram.

The Vivo X300s is anticipated to make its grand entrance alongside the powerful X300 Ultra. The X300 Ultra recently made waves at MWC in Barcelona, hinting at the high-performance ecosystem Vivo is building.

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