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Samsung's next true wireless earbuds — the Galaxy Buds4 and Buds4 Pro — are reportedly on the way with the Galaxy S26 family, and a fresh leak points to a small but notable increase in the charging case's battery capacity.
Not a game-changer, but a useful tweak
According to the report, the Buds4 charging case will carry a rated capacity of 515 mAh, which will likely be marketed as a typical capacity of around 530 mAh. By comparison, the Galaxy Buds3 and Buds3 Pro cases list a rated 500 mAh (typical 515 mAh). So while it's not a dramatic jump, the extra milliamps could translate into slightly longer standby or an extra top-up for your earbuds during the day.
- Buds4/Buds4 Pro case (leak): Rated 515 mAh, typical ~530 mAh.
- Buds3/Buds3 Pro case: Rated 500 mAh, typical 515 mAh.
What remains unclear is whether the earbuds themselves will see any battery improvements. No reliable figures about the Buds4 internal cell size have surfaced yet, so real-world gains in listening time are still speculative.
Design changes and launch timing — what to expect
Separately, earlier leaks hinted that the Buds4 may adopt a different design compared with the Buds3. Whether that redesign aims at comfort, noise-cancelling performance, or internal space for larger battery cells is unknown.
When will they arrive?
Reports tie the Buds4 and Buds4 Pro launch to the Galaxy S26 series, which industry chatter now places in March. If Samsung keeps that schedule, we'll likely see official specs — including final battery figures — revealed at the event.
In short: expect a modest charging-case bump from Samsung, but hold off judgment until the earbuds' own battery numbers and real-world tests are confirmed. For now, the Buds4 lineup looks like an iterative refresh focused on small improvements rather than a wholesale overhaul.
Source: gsmarena
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