Samsung Galaxy S27 Pro, S27 Ultra battery specs leak online

A fresh leak has offered the first look at the battery capacities Samsung may be preparing for its next-generation flagship smartphones. According to a report from GSMArena.com, the upcoming Galaxy S27 Pro and Galaxy S27 Ultra will carry larger batteries compared to their predecessors.

Leaked figures point to a jump in capacity

The report claims the Galaxy S27 Ultra will house a 5,500 mAh battery. That would be a noticeable increase from the 5,000 mAh cell found in the current Galaxy S26 Ultra. The Galaxy S27 Pro, meanwhile, is said to pack a 5,000 mAh battery. The standard Galaxy S27 model was not mentioned in the leak.

If confirmed, the S27 Pro would match the battery size of the current S26 Ultra. The S27 Ultra would leap ahead of most rivals in the Android flagship space. The numbers come from a tipster with a track record on Samsung hardware leaks, though no official documentation has surfaced.

Samsung remains silent on the rumours

As with all pre-launch leaks, Samsung has declined to comment. The company typically does not discuss unannounced products. A company spokesperson told TIVRA News that Samsung does not comment on rumours or speculation.

Industry watchers note that the leak aligns with broader trends in the smartphone market. Chinese rivals have been pushing battery capacities past the 5,500 mAh mark. Samsung has historically been conservative on battery size, prioritising slim designs and fast charging.

Samsung's busy product cycle adds context

The battery leak arrives at a time when Samsung is already dominating headlines. The company recently unveiled the Galaxy Z Fold 8 series, including the Fold 8, Fold 8 Ultra, and the Galaxy Z Flip 8. Reliance Digital has started stocking these foldables in India. T-Mobile in the US is offering a preorder deal that saves customers over $1,000 on the Fold 8 Ultra with a new line activation.

Bloomberg has also reported that the Galaxy Z Fold 8 features a so-called 'Passport' design, which is being described as the next major trend in smartphones. The Samsung Global Newsroom has touted the new foldables as devices "perfected for every way of living."

What to expect next

The Galaxy S27 Pro and S27 Ultra are expected to launch early next year, likely in January or February. More concrete details, including processor choices, camera hardware, and charging speeds, should emerge over the coming months. For now, the battery leak gives Samsung fans one more reason to keep an eye on the S-series roadmap.