Smartphone batteries have been getting bigger and bigger, meanwhile Samsung Galaxy devices have been completely stagnant with the exact same battery size in every Galaxy Ultra phone for the past six generations. Yet, someone just proved just how much bigger the battery capacity can go by doubling the battery capacity of Samsung’s Galaxy Z TriFold.
“Strange Parts,” a YouTube channel that, among other things, has embarked on several projects including making a foldable iPhone five years early, just took the Galaxy Z TriFold and nearly doubled the size of its battery. The project took the TriFold, which has a default capacity of 5,600 mAh, and upgraded it to a whopping 9,600 mAh.
How?
The project took the same batteries used in the Honor Magic V6 – yes, it was sponsored by Honor – and transplanted them into the TriFold. Honor took to MWC with its “Blade” silicon-carbon battery tech which debuts in the Magic V6 and squeezes a whole lot of power into a super thin package.
Honor Magic V6, one of our award winners at MWC 2026, has a 6,660 mAh battery on its own, so it makes sense that the additional real estate of the TriFold would open up space to expand on that. But, more than anything, this just shows that Samsung does have the option to include much bigger batteries in its Galaxy smartphones, especially seeing as this was basically hacked into the TriFold. With further engineering into the design of the phone, there would theorhetically be even more space available.
So why hasn’t Samsung adopted silicon-carbon and, in turn, these massive batteries yet?
There are a number of reasons, including regulatory hurdles in countries such as the US. But the biggest reason is that Samsung Galaxy phones use batteries from Samsung, and Samsung SDI does not yet offer silicon-carbon batteries that would be useful in smartphones. It’s not as though Samsung is completely ignoring the technology, having recently confirmed it is actively looking into the use of silicon-carbon batteries, but that testing hasn’t been completed just yet.
If this TriFold project is any sort of peek into the future, it’s clear we’ve got a lot to be excited about with that future.
More on Samsung:
- Samsung’s Galaxy S26 trio all use an extra NFC antenna for easier payments
- I spent a weekend traveling with the Galaxy S26 Ultra’s Privacy Display – what you should know
- Samsung’s excuse for skipping Qi2 magnets in Galaxy S26 ignores the big picture
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