Big batteries have quietly become the next frontier in mid-range phones. Starting early this year, we began seeing a wave of smartphones with 7,000mAh cells. By mid-year, Honor launched the X70 with an even larger 8,300mAh battery.
Now, it looks like 10,000mAh might be the next stop.
Digital Chat Station, a frequent source of smartphone hardware leaks, tipped earlier this month that some phone makers are already preparing to test 10,000mAh batteries in mid-range models next year.
That wouldn’t be unusual if the phones were bulky. However, the tipster claims these devices could stay under 8.5mm thick, thinner than many current models with far smaller batteries.
Honor Power 2?
Today, he posted an update saying that one such phone has entered the NPI (New Product Introduction) stage, meaning it’s likely past early prototyping. While the specific model hasn’t been confirmed, commenters on Weibo were quick to suggest it might be the upcoming Honor Power 2.

Honor may also be in the best position to pull this off. Back in April, it introduced a new Power series, starting with the Honor Power, which packed an 8,000mAh Qinghai Lake battery.
The cell uses high-silicon tech with over 10% silicon content and an energy density of 821Wh/L. These are the figures that allowed Honor to keep the size reasonable while pushing capacity. The phone launched in China with a starting price of 1,999 yuan, or 1,699 yuan with government subsidies.
It’s not clear yet when, or if, the 10,000mAh Honor Power 3 will be officially announced. But since the device is now tipped to have entered the NPI stage, it could show up sometime in early 2026.
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