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iPhone 18 Pro battery numbers are both good and bad news for Samsung
Sep 17, 2026 — 5:00 AM ET

- The EU’s energy database has revealed the iPhone 18 Pro and Pro Max’s battery capacities.
- The database also reveals that these iPhones are still rated for 1,000 charging cycles, lagging behind many Android phones.
- A third-party charging test reveals that the iPhone 18 Pro Max is also the fastest charging iPhone ever.
Apple announced the iPhone 18 Pro and iPhone 18 Pro Max last week, and it had plenty to say about them. The company doesn’t traditionally share battery capacity, though, but a regulatory source has now revealed these details and more.
The European Union’s EPREL database has revealed that the iPhone 18 Pro has a 4,056mAh battery, a negligible upgrade over the iPhone 17 Pro’s 3,988mAh battery. On the other hand, the iPhone 18 Pro Max is listed with a 5,391mAh battery, which is a significant upgrade over the iPhone 17 Pro Max’s 4,823mAh battery.
It’s worth noting that global iPhones usually have slightly smaller batteries than US models, as the global variants still offer physical SIM slots. For example, the iPhone 17 Pro has a 4,252mAh battery in the US, while the Pro Max has a 5,088mAh battery. So don’t be surprised if the iPhone 18 Pro and Pro Max have even larger batteries in the US than the EU’s database indicates.
Apple is also banking on the 2nm A20 Pro chip to deliver plenty of efficiency gains across both models. Nevertheless, it’s clear that the iPhone 18 Pro Max is probably the one to get if you want the longest battery life possible in an iPhone. It also has a bigger battery than all recent Galaxy flagships. However, many other Android brands are now using 7,000mAh, 8,000mAh, or even 10,000mAh silicon-carbon batteries in their phones for even longer endurance.
How important is long-term battery health to you when buying a phone?
The EPREL database also reveals disappointing news if you were hoping for better long-term battery health. The iPhone 18 Pro series offers 1,000 charging cycles before reaching an effective 80% capacity. This means you’ll basically lose 20% of your battery’s capacity after roughly three years. That’s in line with recent iPhones and Pixel phones, but short of rival devices like the Samsung Galaxy S26 series (1,200 cycles), Motorola Edge 70 Pro (1,200), OnePlus 15 (1,100 to 1,400), and Xiaomi 17 series (1,600).
There is good news for charging times, though. Xiaobai’s Tech Reviews (h/t: Ice Universe) reports that the iPhone 18 Pro Max in particular is the fastest-charging iPhone ever. It can apparently reach 100% in 55 minutes, with a peak speed of 52W. There are faster-charging Android phones out there, but this seems a little faster than the Pixel 11 Pro XL.
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