vivo has confirmed the X300e will go on sale in China on July 27, packing the biggest battery the company has ever fitted to an X series phone. The 7,200mAh cell tops every other model in the lineup, from the standard X300 to the camera flagship X300 Ultra. Pre-orders are already open through vivo’s official store, with the phone confirmed in black, orange and white.
Apple and Samsung spent last year betting that buyers wanted thinner phones even if it meant smaller batteries and stripped down cameras. Both bets flopped hard enough to get canceled outright. vivo’s answer, arriving one letter suffix at a time across its X300 family, has been to make the batteries bigger every single time.
vivo Locks In July 27 for the X300e’s China Debut
The confirmation ends weeks of leaks. vivo’s own announcement locked in the sale date, the color lineup and a square camera housing built around a Zeiss branded triple rear system, including a periscope telephoto lens. Pricing has not been announced yet.
Leaked TENAA certification listings put the phone’s body at 157.52 by 74.33 by 7.99 millimeters and its weight at roughly 203 grams, meaning vivo is keeping the phone under 8 millimeters thick despite the oversized cell inside. Earlier leaks point to a 6.59 inch AMOLED display at 1.5K resolution, a Snapdragon 8 Gen 5 chipset clocked up to 3.8GHz, as tipped by the Chinese leaker known as Digital Chat Station, and configurations running from 8GB to 16GB of RAM with up to 1TB of storage.
The camera setup leans on the same imaging partnership vivo uses across the rest of the X300 range: a 50MP primary sensor, an 8MP ultrawide and a 50MP periscope telephoto camera offering 2x optical zoom, alongside a 50MP selfie camera up front. vivo’s flagship X300 Ultra already carries a 400mm Zeiss telephoto lens kit unveiled at MWC 2026, and the X300e borrows the same Zeiss tuning several price tiers down.
The Battery Bet Nobody Else Is Still Making
Apple’s iPhone Air launched in September 2025 as the thinnest iPhone Apple has ever built, at 5.6 millimeters and 165 grams, with a single 48MP rear camera and battery life rated for up to 27 hours of video playback rather than a published capacity. Teardowns and spec trackers put the actual cell at 3,149mAh, less than half of what vivo is now fitting into a phone that starts a full tier below its own flagship.
The market’s verdict came fast. Just 6 percent of US iPhone shoppers surveyed by CIRP, the market research firm Consumer Intelligence Research Partners, bought the Air in its first full quarter on sale, CNN reported in January. That compared with 22 percent for the standard iPhone 17, 25 percent for the 17 Pro and 27 percent for the pricier 17 Pro Max.
Samsung fared no better with the Galaxy S25 Edge, which sold roughly 1.31 million units through August before the company halted production and scrapped a planned Galaxy S26 Edge sequel. Won-Joon Choi, chief operating officer of Samsung’s Mobile Experience Business, said S25 Edge sales were ‘lower’ than the company’s other handsets and that Samsung had not committed to a follow up device, Bloomberg reported in late February.
MacRumors reported in May that vivo itself had explored a thinner design for its mid range S series before shelving the project, following a similar retreat by Xiaomi. That specific detail carries less certainty than the Apple and Samsung sales figures, MacRumors noted, but the direction is unmistakable everywhere else in vivo’s public lineup: every new X300 variant since October has shipped with a bigger battery than the one before it.
Every New X300 Variant Ships With a Bigger Cell
Line up the five phones now sharing the X300 name and the pattern holds without a single exception.
| Model | Battery | Launch |
|---|---|---|
| vivo X300 (China) | 6,040 mAh | October 2025 |
| vivo X300 Pro | 6,510 mAh | October 2025 |
| vivo X300 Ultra | 6,600 mAh | March 2026 |
| vivo X300s | 7,100 mAh | March 2026 |
| vivo X300e | 7,200 mAh (expected) | July 27, 2026 |
The pattern even holds within a single model. The X300 sold in the European Union ships with a 5,360mAh battery, while the same phone in China carries 6,040mAh, a gap that shows up whenever vivo exports a design built around Chinese battery density and regulatory standards.
Why Apple and Samsung Backed Away From Thin
Analysts who studied both failed thin phones kept landing on the same trade off. Supply chain analyst Ming-Chi Kuo said Apple’s suppliers were told to cut Air production capacity by more than 80 percent between launch and early 2026, and a KeyBanc Capital Markets investor survey found what MacRumors described as “virtually no demand” for the device.
The 17 Pro, Pro Max and the base 17 cover a lot of the features.
CIRP analyst Michael Levin told CNN, explaining why Apple’s thinnest phone never found an opening inside its own lineup. The 17 Pro Max already had the longer battery and the extra cameras. The base 17 already had the lower price. The Air only had thinness to sell.
The Memory Squeeze Hits Cheap Phones Hardest
The X300e is launching into a Chinese smartphone market that is shrinking, not growing. China’s smartphone shipments fell 2 percent year over year in the second quarter of 2026, as rising memory chip costs pushed manufacturers toward more conservative production and higher margin models, according to Counterpoint Research’s own tracking.
Globally, the picture favors brands selling feature rich phones over cheap ones. Global smartphone revenue climbed 8 percent year over year in the first quarter of 2026, Counterpoint found, even as unit shipments slowed, because buyers kept trading up to pricier, better equipped devices.
That squeeze has already pushed one rival out of the market entirely. Realme’s exit from its home market came as memory costs ate into the thin margins that budget phones depend on, leaving less room for brands that cannot spread a battery and camera upgrade across an entire five model family the way vivo just did.
Three costs are doing most of the damage to that margin:
- Memory chips – DRAM and NAND prices have climbed sharply since late 2025 as suppliers prioritize AI data center orders over phone components.
- Camera hardware – periscope modules and larger sensors cost more to source than the fixed lenses they replace.
- Battery cells – pushing capacity past 7,000mAh without adding thickness requires denser, pricier cell chemistry.
vivo is absorbing all three at once in a phone expected to sell for less than its own mid tier X300.
What Hasn’t vivo Confirmed Yet About the X300e?
vivo has confirmed the sale date, the three color options and the 7,200mAh battery, but most of the rest of the spec sheet still rests on leaks rather than an official statement, including the display, chipset, RAM tiers and price, all of which vivo has said will surface closer to the July 27 launch.
Confirmed by vivo:
- On sale in China July 27, with pre-orders already open
- 7,200mAh battery, the largest yet in the X300 family
- Black, white and orange color options
- Zeiss branded triple camera with a periscope telephoto lens
Still based on leaks:
- 6.59 inch AMOLED display at 1.5K resolution
- Snapdragon 8 Gen 5 chipset
- 50MP main, 50MP periscope and 8MP ultrawide rear cameras
- 90W wired charging, and a price yet to be set
None of those unconfirmed items are unusual for a phone this close to launch. What stands out is that the one number vivo did confirm early, on purpose, was the battery.
The Camera Roadmap Already Points Past the X300e
vivo isn’t waiting for the X300e to sell through before moving on. Leaks about the next generation vivo X500 already describe a pivot away from the 200MP main sensor that defined the X300 Ultra and X300s, toward a 50MP Sony sensor built around larger individual pixels, trading resolution for light gathering.
The X300e sits at the far end of that same camera philosophy already: a lower resolution 50MP main sensor paired with the periscope zoom vivo now treats as non negotiable across the whole family. Whatever sensor changes land with the X500, the X300e’s launch on July 27 settles which spec vivo refuses to cut, no matter how far down the price ladder a phone sits.
Frequently Asked Questions
Will the vivo X300e Launch Outside China?
vivo hasn’t announced international plans for the X300e. The standard X300 and X300 Pro launched in China in October 2025, reached the European Union within weeks, and arrived in India on December 2, so a global X300e would likely follow a similarly fast rollout, though probably with a smaller battery than the Chinese version, exactly as happened with the standard X300 in the EU.
How Much Will the vivo X300e Cost?
vivo has not announced pricing. For context, the standard X300 starts at CNY 4,399 (about $620) in China, while the X300 Pro starts at CNY 5,299 (about $745). As the entry point in the lineup, the X300e is expected to undercut both once vivo sets a price closer to the July 27 sale date.
What’s the Difference Between the X300e and the X300s?
The X300s carries a 200MP main sensor and an optional Photography Kit accessory, while the X300e is expected to use a more modest 50MP primary camera paired with a 50MP periscope telephoto. The X300e’s rumored 7,200mAh battery is still slightly larger than the X300s’s 7,100mAh cell, despite the simpler camera hardware.
What Chipset Powers the vivo X300e?
Leaks point to Qualcomm’s Snapdragon 8 Gen 5, a step down from the Snapdragon 8 Elite Gen 5 in the X300 Ultra and the MediaTek Dimensity 9500 used in the X300 and X300 Pro. vivo has not confirmed the chipset officially, and it is expected to detail the full spec sheet closer to the sale date.
