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On days with light usage, I have 70 percent left before bedtime. When I spend more time on the phone, using it for music streaming, navigation, and Instagram Reels-ing, I often end up with about 60 or 50 percent. I’d leave it on my nightstand without bothering to plug it in, which was a refreshing change of pace. Over the course of two days, I reached 10 and a half hours of screen time.
This may be the best battery life on a flagship smartphone today in the US, especially when paired with its incredibly fast recharging times. OnePlus remains one of the only companies that includes Charger in the box– Mostly because it’s the only way to take advantage of SuperVooc fast charging technology. I was able to go from 15 to 80 percent in 30 minutes (50 percent in 15 minutes). It’s hard to worry about damaging the phone if you don’t mind keeping the bulky charger with you (is a foldable notch too much of a hassle?).
But there is always a middle ground somewhere. If you are a fan Wireless charging And are particularly interested Qi2 smartphones Which Use magnets (Like Apple magsafe) For more convenient and faster shipping, you will not be disappointed here. The OnePlus 15 supports wireless charging, but only standard Qi technology. OnePlus sells magnetic cases as an ointment, but unlike Samsung’s current crop of high-end phones, this doesn’t even turn them into… Your Qi2 phone is ready. It will only charge with slow Qi wireless charging speeds. (You He can Buy OnePlus Special wireless charger For fast charging, but that’s a separate purchase, a wireless charger will do only Quickly recharge select OnePlus devices.)
The big battery and super-fast wired charging may outperform lackluster wireless charging, but now it’s time to talk about the OnePlus 15’s second most impressive feat: performance.
Power play
Photo: Julian Chocato
This is the first smartphone in the US to use Qualcomm’s Snapdragon 8 Elite Gen 5 processor, which is the processor we’ll see in most high-end Android phones in 2026. And the numbers are excellent. In the Geekbench 6 test, the OnePlus 15 is officially the first phone to surpass 10,000 in multi-core CPU performance, even beating iPhone 17 Pro Max. However, the iPhone still has a slight lead in single-core performance (and is also more efficient overall).