What is the real-world battery life on the Galaxy S26 Ultra?

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nullThe Galaxy S26 Ultra keeps the same 5,000mAh battery as last year, but efficiency improvements mean better real-world battery life.

What the numbers say:

EU energy labels show the S26 Ultra lasting 55 hours in standardized testing, compared to 45 hours for the S25 Ultra. That's a meaningful jump without increasing battery size.

Samsung claims 31 hours of video playback, same as the S25 Ultra. Take that number with some skepticism.

Where the improvements come from:

The Snapdragon 8 Elite Gen 5 is more efficient. The new M14 display panel uses less power. Better thermal management means less energy wasted on heat. Small gains that add up.

Charging is actually better:

The real upgrade is charging speed. The S26 Ultra charges at 60W wired, up from 45W. Samsung says 0% to 75% takes about 30 minutes. Wireless charging jumped to 25W with Qi2 chargers, up from 15W.

Even if battery life is similar, you spend less time tethered to a charger.

What to expect day-to-day:

Heavy users who game, watch videos, and use the camera a lot might need an afternoon top-up. Typical users should get through a full day. Light users might stretch to 1.5 or 2 days.

Long-term battery health:

Samsung rates the battery for 1,200 charge cycles before hitting 80% capacity. That's 4-5 years of normal use before noticeable degradation.

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