A new battery technology that could greatly improve the autonomy of the Galaxy Watch will be implemented starting in 2026, according to a report from Business Korea.
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This battery has been called “the highest in the battery industry” – which translates to the best in the industry.
Reports indicate that this solid-state battery prototype manufactured by Samsung has an energy density of 200Wh/L.
This number doesn’t seem too far off to be qualified as the best battery in the industry, especially compared to the conventional lithium-ion technology.
In this sense, a different measuring methodology may have been used to reach this number.
Also read: Galaxy S25 Ultra will have thinner edges than the iPhone 16 Pro Max
In any case, this ultra-small solid-state battery could power future generations of Galaxy wearables, including the Galaxy Watch, which is very exciting news considering the known qualities of this technology.
Solid-state batteries are safer and can store much more energy than lithium-ion solutions, which could be a game-changer for future Samsung smartwatches and other wearables.
Galaxy Watch 9 may already feature solid-state battery technology
The report mentions that if the new ultra-small solid-state battery passes all ongoing testing without issues, Samsung Electro-Mechanics already aims to start mass-producing it in the first semester of 2026.
Furthermore, Samsung’s mobile division could become a major customer for this new solid-state battery developed by Electro-Mechanics, and the future Galaxy Watch 9 series could be among the first Samsung wearables to benefit from it, along with the upcoming Galaxy Buds and Galaxy Ring.
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