So, if you're curious about the battery life on the Samsung Galaxy S21 Ultra, it's pretty solid. It has a 5,000mAh battery, which, according to the manufacturer, should last you through a whole day even with heavy usage. Of course, your mileage may vary depending on what you're doing with it.
Our research suggests that for everyday stuff like surfing the web, checking social media, or streaming, you should be good to go on a single charge. Even when you're doing more battery-draining things like gaming or shooting high-res videos, it tends to hold up pretty well, usually making it into the evening or even longer.
One thing to bear in mind is that the phone's high refresh rate screen and 5G can drain the battery quicker. The good part is that the phone adjusts the refresh rate based on what you're doing, which helps save some juice.
If you're somewhere with spotty 5G and you're worried about battery, switching to 4G LTE can help you conserve power.
Also, just a heads-up, the Galaxy S21 Ultra supports fast charging with a 25W charger, so it's quick to power up when you're in a pinch. You've also got wireless and reverse wireless charging, so you can even charge other gadgets like your earbuds if you need to.
In general, the S21 Ultra's battery life is pretty great for a top-tier phone. It can handle a lot, and with some smart use of its features, keeping charged throughout the day shouldn't be too tricky.
How we researched this
Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from 4 retailers, and a look at hundreds of user reviews to give you a well-rounded picture.
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