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Built to outlast your routine: how to get the most out of the Samsung Galaxy Z Fold8 Ultra battery

Samsung Galaxy Z Fold8 Ultra
(Image credit: Future)

Samsung Galaxy Z Fold8 Ultra packs a high-capacity battery to let you get things done without needing to worry about running out of juice. Plus, its fast wired and wireless charging means you won’t be left waiting around when you need a refill.

We’re going to take a look at the battery and charging technology that make Samsung Galaxy Z Fold8 Ultra so capable. Keep reading for some battery saving tips to help you use Galaxy Z Fold8 Ultra for as long as possible between charges.

TL;DR:

  • By using a new silicon-carbon material, the Samsung Galaxy Z Fold8 Ultra has the longest lasting battery ever seen in a Samsung foldable.
  • Using its new 45W wired charging capabilities, the Galaxy Z Fold8 Ultra can fill up to 65% full in just half an hour, according to Samsung’s own testing.
  • Internal tests indicate that the Galaxy Z Fold8 Ultra can play 27 hours of video non-stop before running out of power - a clear sign that it can last a full day no matter how busy your schedule is.
  • If you want to get even more battery life out of Galaxy Z Fold8 Ultra, then there are several display and connectivity settings you can change to make the phone last longer while limiting features.

Samsung Galaxy Z Fold8 Ultra battery: Long-lasting and fast-charging

Samsung Galaxy Z Fold8 Ultra contains a 5,000mAh (milliamp-hour) battery. It’s the largest capacity battery Samsung has used in a folding phone, but more importantly it’s the longest-lasting battery Samsung’s ever put into a Galaxy Fold.

How long does Samsung Galaxy Z Fold8 Ultra’s battery last?

Samsung Galaxy Z Fold8 Ultra

(Image credit: Future)

The Ultra-level battery provides Samsung Galaxy Z Fold8 Ultra with up to 27 hours of video playback on a single charge according to Samsung internal testing, meaning that whether you’re its Samsung Galaxy Z Fold8 Ultra’s Multi-Window feature to work across multiple apps at once, putting the Snapdragon 8 Elite Gen 5 For Galaxy chip through its paces, or just doing some serious scrolling on your socials, Samsung Galaxy Z Fold8 Ultra can take it all in its stride.

How fast does Samsung Galaxy Z Fold8 Ultra charge?

Samsung Galaxy Z Fold8 Ultra

(Image credit: Future)

With a compatible charger, you can refill up to 65% of the Galaxy Z Fold8 Ultra’s battery in just 30 minutes, based on Samsung’s in-house measurements

When you need to recharge Samsung Galaxy Z Fold8 Ultra, you can make the most of its 45W Super-Fast charging 2.0 system to get the fastest-possible refill. It’s the perfect excuse to take a small break yourself, and then head back out to get on with the rest of your to-do list when you and Samsung Galaxy Z Fold8 Ultra are ready.

If you’d rather do things without wires, then you can take advantage of Samsung Galaxy Z Fold8 Ultra’s 20W Super-Fast wireless charging instead. This works with any compatible pad, and with the use of Samsung’s Carbon Magnet Case or Silicone Magnet Case, you can then charge Samsung Galaxy Z Fold8 Ultra with any Qi2-compatible accessories, and without having to mess around with cables.

Charging inevitably produces heat, and heat can mean slow performance as your phone tries to keep its internal components at optimal temperatures. That’s not something you need to worry about with Samsung Galaxy Z Fold8 Ultra. Under the hood, Samsung has upgraded Samsung Galaxy Z Fold8 Ultra’s heat dissipation with a larger graphite layer, meaning heat is spread evenly and away from key components, preventing slowdowns.

How to save battery life on Samsung Galaxy Z Fold8 Ultra

Samsung Galaxy Z Fold8 Ultra

(Image credit: Future)

While Samsung Galaxy Z Fold8 Ultra is set up to last as long as possible during typical use cases, there will inevitably be times where you need your phone to stay alive for another couple of hours, but the nearest charging point is nowhere in sight. Follow the seven tips below to help increase Samsung Galaxy Z Fold8 Ultra’s battery life further when you really need it.

  • Enable flight mode - This first tip is one you’ve likely heard before. However, we’d only recommend using it in serious emergencies, since there are other ways to save power without needing to disconnect your phone from your all-important mobile data and Wi-Fi connections
  • Reduce brightness - Use the slider in the Quick settings panel or the Display section of the Settings app to make the screen dimmer and save some battery power. The automatic brightness system will learn from this too, meaning you shouldn’t have to keep adjusting it downwards in future.
  • Switch to Standard motion smoothness - the 120Hz displays of Samsung Galaxy Z Fold8 Ultra feel beautifully smooth to navigate in Adaptive mode, but Standard motion locks the screens to a more efficient 60Hz refresh rate.
  • Reduce screen timeout - Allowing Samsung Galaxy Z Fold8 Ultra to lock itself quicker when you’ve left it alone means less screen-on time. And less screen-on time means less battery usage.
  • Switch off the Always On display - if you think you can manage without the clock or your notifications remaining visible even with Samsung Galaxy Z Fold8 Ultra locked, you can switch off the Always On display so the screen only powers on when you want it to. If you would prefer to keep it enabled, switch it to show only when you tap the screen, or disable Show Lock screen wallpaper to eke out a little more power from your battery.
  • Switch off Bluetooth and Ultra-wideband connections - if you don’t currently need to use accessories like wireless earbuds, tracking tags or smartwatches (or simply don’t own them), then switch these off to stop Samsung Galaxy Z Fold8 Ultra from scanning for other devices unnecessarily.
  • Enable Power saving mode when needed - tap the icon in Samsung Galaxy Z Fold8 Ultra’s quick settings panel to alter several battery-saving measures until you decide to disable it or charge your phone. If it’s a real emergency, switch Power saving from Standard to Maximum in the Settings app to get the most possible life out of Samsung Galaxy Z Fold8 Ultra.

If you think Samsung Galaxy Z Fold8 Ultra is the right choice for you for handling your busiest days, then please visit the Samsung website for more info.