The Galaxy S25 Ultra features the same 5,000 mAh battery as before, but now with a slightly larger 6.9-inch display. We tested it to see how its battery performs against its rivals to find out how much better it is.

It’s been over eight years since the Samsung Galaxy Note 7 battery disaster, yet we’re still dealing with the aftereffects on the new Galaxy S25 series. For whatever reason, Samsung is reluctant to push the envelope with battery capacities and charging speeds.

Samsung is rolling out additional battery health information on the Galaxy S25 series. Not every S25 may get the feature.