Vivo X300 Ultra Appears on 3C Certification: 100W Charging and Key Specs Leaked

The much-anticipated Vivo X300 Ultra has resurfaced online after appearing on China’s 3C (Compulsory Certification) website, giving users their first official hint about the device’s charging capabilities. The smartphone, which has been the subject of several leaks over the past few weeks, is expected to be the third model in Vivo’s flagship X300 lineup. While the 3C listing does not reveal the battery size, it confirms important charging specifications that indicate a major upgrade over its predecessor.

1. Vivo X300 Ultra Shows Up on 3C Certification Platform

The smartphone was listed on the 3C website under the model number V2536A.
This certification confirms that the device is in the final stages of regulatory approval, suggesting that the launch could take place soon — possibly in early 2026, as earlier leaks indicated.

2. Up to 100W Fast Charging Support Confirmed

According to the listing, the Vivo X300 Ultra will support chargers with model numbers V10091L0E1-CN and V10091L0A1-CN, both capable of delivering up to 100W wired charging.

This marks a notable improvement over the Vivo X200 Ultra, which supports:

• 90W wired fast charging

• 40W wireless charging

If accurate, Vivo is clearly focusing on faster charging for its top-tier flagship.

3. Battery Capacity Not Mentioned in Certification

The 3C listing does not reveal anything about the battery size.
However, earlier leaks claimed that the Vivo X300 Ultra could feature a massive 7,000mAh battery, one of the largest in a flagship device.

Such a battery paired with 100W charging would appeal to users needing long endurance and quick top-ups.

4. Snapdragon 8 Elite Gen 5 Chipset Expected

Multiple sources suggest that the Vivo X300 Ultra will be powered by the next-generation Snapdragon 8 Elite Gen 5 processor, making it one of the most powerful Android phones of 2026.

The chipset is expected to bring:

• Better energy efficiency

• Faster AI processing

• Enhanced gaming performance

5. Large 6.8-Inch 2K Display with BOE Panel

Leaks indicate that the Vivo X300 Ultra may sport a 6.8-inch 2K display, likely supplied by BOE.
Key expected features include:

• 120Hz refresh rate

• High-frequency PWM dimming

• Bright and power-efficient AMOLED technology

This positions the X300 Ultra as a premium offering for multimedia lovers.

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6. Triple Rear Camera With Two 200-Megapixel Sensors

Photography is expected to be one of the biggest highlights of the Vivo X300 Ultra.

Leaks suggest the device will include:

• Two 200MP sensors

• One 50MP ultrawide lens

• A 35mm main camera with a 1/1.12-inch sensor

If true, this setup could outperform many of today’s flagship camera phones.

7. Third-Generation 3D Ultrasonic Fingerprint Sensor Rumored

Another expected feature is Vivo’s 3rd-gen ultrasonic in-display fingerprint sensor, which may offer:

• Faster unlock speed

• Better accuracy

• Higher security

This aligns with Vivo’s trend of adding premium biometric technology to its X-series devices.

8. Possible Early 2026 Launch Timeline

Reports suggest that the Vivo X300 Ultra may debut in Q1 2026, shortly after global markets receive the X300 and X300 Pro models.

The 3C certification strengthens the possibility of an early launch window.

9. Vivo X300 & X300 Pro Already Launched in India

Vivo recently brought the X300 series to India after its China debut.

Pricing:

• Vivo X300 Pro → ₹1,09,999

• Vivo X300 → ₹75,999

Both run Android 16-based OriginOS 6 and include the MediaTek Dimensity 9500 chipset.

Battery:

• X300 → 6,040mAh

• X300 Pro → 6,510mAh

• Both support 90W wired and 40W wireless charging.

10. What the 3C Listing Suggests for the Ultra Model

The certification strongly suggests:

• Faster charging

• Next-gen camera hardware

• Flagship-level performance

• Potentially one of the largest batteries among premium phones

Overall, the Vivo X300 Ultra is shaping up to be a major launch for 2026, with upgrades that could set new benchmarks in fast charging, photography, and display technology.