Forget the Z Fold 8 Ultra — Samsung just made the Galaxy S27 a lot more exciting

Sanuj Bhatia / Android Authority

Samsung has pulled back the curtain on its new foldable phones, and there’s plenty to be excited about. The new Z Flip 8, Fold 8, and Fold 8 Ultra bring powerful silicon, slick software, and a few new camera tricks.

One of my favorite upgrades is the fact that all three devices are equipped with silicon-carbon batteries. This is the first time that Samsung is using this tech in its phones, coming a while after most rivals adopted it. While I’m happy to see silicon-carbon batteries in these new devices, I’m more excited about what this means for the Galaxy S27 series.

What do you want to see most from the Galaxy S27 phones? 101 votes A small S27 without sacrificing battery capacity 28 % A Galaxy S27 Ultra with a 5,500mAh+ battery 52 % A Galaxy S27 Edge with a decent battery 5 % A Galaxy S27 Pro with a 5,000mAh battery 15 %

How is Samsung using silicon-carbon batteries?

Hadlee Simons / Android Authority

Silicon-carbon batteries offer higher energy density than conventional batteries. That means increased battery capacity without a physically bigger battery, or a physically smaller battery while maintaining the same capacity. Samsung seems to be taking both approaches on its new devices.

The Galaxy Z Fold 8 Ultra has a 5,000mAh battery in what is fundamentally the same chassis as the 4,400mAh Galaxy Z Fold 7. Meanwhile, the Galaxy Z Fold 8 features a short, wide form factor and an extremely thin design. Even so, it still ships with a respectable 4,800mAh battery. Finally, the Galaxy Z Flip 8 has the same 4,300mAh battery capacity as its predecessor, but in a thinner design.

The Galaxy foldables are the first Samsung phones to use silicon-carbon batteries, and this bodes well for the Galaxy S27 range.

Samsung hasn’t confirmed whether it’ll bring silicon-carbon batteries to the Galaxy S27 series. Nevertheless, it seems like a foregone conclusion that — unless we have another Galaxy Note 7 saga — the company’s next-generation flagships will have this new battery tech.

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