The Samsung Galaxy S27 could get the upgrade it needs most
Android Police 2026-07-28 10:30:15
Context: Samsung's recent announcement of its new Galaxy Z foldables has generated excitement about potential upgrades to its future phones, particularly the upcoming Galaxy S27 series. The new foldables feature silicon-carbon anode batteries, which promise to significantly improve battery life. This technology has been rumored to be in consideration for the Galaxy S27 series, which could address the current battery limitations of Samsung's flagship phones.
Key Facts
- Silicon-carbon anode batteries can store 10 times more energy in the same footprint as traditional graphite anodes used in lithium-ion batteries.
- The silicon-carbon anode is mixed with carbon to reduce the risk of swelling and cracking, which can occur when silicon is used alone, and this combination has resulted in a 10-40% increase in battery capacity compared to older graphite anode batteries.
- The Oppo Find X9 Ultra has a 7,050mAh battery, while the OnePlus 15 has a 7,300mAh battery, and Honor's Magic V6 foldable has a 6,660mAh battery, all of which utilize silicon-carbon technology.
- Samsung's new Galaxy Z Fold 8 and Z Fold 8 Ultra have 4,800mAh and 5,000mAh batteries, respectively, which represent a 10-15% upgrade compared to last year's 4,400mAh Z Fold 7.
- The Samsung Galaxy S Ultra phones have stuck with a 5,000mAh battery for six years, and rumors suggest that the company is considering bringing silicon-carbon battery technology to the upcoming Galaxy S27 series.