Galaxy Buds4 Battery Leak: Samsung Gives the Pro Model a Boost, But Shrinks the Base
SamsungThursday, 04 December 2025 at 12:08
We have some new battery details for Samsung’s upcoming Galaxy Buds4 Pro and the standard Buds4. The new info, which follows recent design leaks, shows that Samsung is using a mixed approach for its next generation of earbuds. This lineup is expected to launch with the Galaxy S26 series in late January 2026.
Here’s the breakdown on what’s changing, and what’s staying the same, regarding battery capacity.
Key Points
- Pro Battery Upgrade: The Galaxy Buds4 Pro will feature a slightly larger battery cell at 57 mAh, up from the 53 mAh capacity in the Buds3 Pro.
- Base Battery Shrink: The standard Galaxy Buds4 will reportedly include a smaller 42 mAh cell, down from the 48 mAh battery in the Buds3.
- Efficiency is Key: The rumored decrease in the base model's battery may not significantly impact real-world usage due to expected improvements in hardware and software efficiency.
- Charging Case Support: Samsung is rumored to slightly increase the capacity of the charging case, which would help maintain the overall total usage time for the base model.
- Expected Launch: The Galaxy Buds4 series is anticipated to launch in late January 2026, coinciding with the debut of the Galaxy S26 series smartphones.
The Pro Model Gets a Bump
Good news for people looking at the premium earbuds: the Galaxy Buds4 Pro will apparently feature a larger battery cell compared to its predecessor.
- Buds4 Pro: Expected to pack a 57 mAh battery.
- Buds 3 Pro: Had a slightly smaller 53 mAh cell.
This small increase in capacity could translate to better endurance, especially when using power-hungry features like Active Noise Cancellation (ANC).
The Standard Buds4 Shrinks
This is the strange part, and it follows a trend we've seen before. The standard Galaxy Buds4 is rumored to come with a smaller battery capacity than the Buds3.
- Buds4: Rumored to house a smaller 42 mAh battery.
- Buds3: Came with a larger 48 mAh cell.
Now, this may not be a huge worry, because battery capacity doesn't tell the whole story. Samsung has a good track record of making up for smaller batteries with better internal efficiency in the chipset and software. In fact, many reports suggest that despite the drop in the physical size of the cell, the real-world battery life for the standard model should remain similar to the older Buds3.
One reason for this confidence? Samsung is reportedly planning a small increase to the battery capacity of the charging case. While minimal (rumors suggest just a 3% bump), any increase in the case helps offset a smaller battery in the individual buds, keeping the total listening time competitive.
Overall, it looks like the Pro model is getting a definite, if modest, upgrade, while the base model relies on efficiency to keep pace.
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