Vivo is expected to launch the X Fold 6 foldable smartphone in China this month, possibly after the June 18 shopping festival.
Ahead of the official announcement, a new leak has revealed the device's battery capacity.
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Tipster Experience More shared an image showing that the Vivo X Fold 6's dual-cell battery was approved earlier this year by China's 3C authority.
The certification lists two cells: 2,807mAh and 3,863mAh, giving a combined rated value of 6,670mAh.
The typical capacity is likely to be 6,900mAh.
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The same screenshot also shows an 8,905mAh rated battery (typical capacity of 9,100mAh) approved in May, which may power an upcoming Vivo or iQOO phone.
In the Chinese market, the X Fold 6 will compete with the Oppo Find N6 (6,000mAh battery) and Honor Magic V6 (6,850mAh battery, with a 7,150mAh variant for the 1TB model).
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The global version of the Magic V6 has a smaller 6,660mAh battery.
Other rumored specs include the MediaTek Dimensity 9500 chipset, a round camera module with a 200MP main camera, 50MP ultra-wide, and 50MP periscope telephoto.
The phone is also expected to feature a side-mounted fingerprint sensor and high water resistance.
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Last year's Vivo X Fold 5 had a Snapdragon 8 Gen 3 chip, 6,000mAh battery, triple 50MP cameras, and IP58/IP59 dust and water resistance.
