Honor is reportedly developing a smartphone with a massive battery that could last up to seven days on a single charge.
According to tipster Digital Chat Station, the company is testing a high-capacity battery ranging from 14,000mAh to 15,000mAh for an upcoming smartphone.
The battery has reportedly entered trial production, suggesting that development has progressed since the first reports appeared in June.
Honor is expected to introduce the phone sometime in 2027, although the company has not officially confirmed the device or its launch schedule.
Honor’s 15,000mAh Battery Enters Trial Production
The first information about Honor’s upcoming battery appeared in June 2026, when reports suggested that the company was developing a 14,000mAh battery.
At the time, the project was reportedly in the New Product Introduction (NPI) stage, an early phase of product development.
The latest leak suggests that the battery has now entered trial production, with its capacity potentially reaching 15,000mAh.
According to the tipster, Honor expects the smartphone to deliver up to one week of battery life on a single charge.
However, this claim has not been independently tested or confirmed by Honor.
Large Battery Without Excessive Thickness
Despite the unusually large capacity, Honor is reportedly working to keep the smartphone’s thickness and weight under control.
The upcoming phone is said to use a high-density battery cell, allowing it to store more energy without requiring an excessively large battery.
This could help Honor offer longer battery life while keeping the device relatively practical for everyday use.
However, the tipster has not revealed the phone’s exact dimensions, weight, or charging specifications.
Which Honor Phone Will Get the Battery?
The tipster has not identified the smartphone that will feature the new battery.
However, the Honor Power3 and Honor Win RT3 are reportedly among the possible candidates.
Both names remain speculative, and Honor has not confirmed which model will receive the battery.
The company has already introduced smartphones with batteries exceeding 12,000mAh.
In October, Honor launched the Win RT2 and Win Turbo2 in China, both featuring 12,070mAh batteries. The Win RT2 also supports 90W wired fast charging.
A 14,000mAh to 15,000mAh battery would represent another increase over these existing models.
Expected Launch
According to the latest leak, Honor could launch the smartphone sometime in 2027.
However, its final battery capacity, design, charging speed, and other specifications remain unknown.
The company has also not announced pricing or availability.
For now, the reported battery is still undergoing testing, and its claimed week-long endurance remains unverified.
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