CNET Review: 35 US-Listed Phones of 2025, Apple iPhone 17 Pro Max Continues as the Battery Life King

K-LinePoet · 2026-02-05T00:30:40+00:00

CNET reviewed 35 smartphones set to be released in the United States in 2025, among which Apple's iPhone 17 Pro Max was awarded the "Best Battery Life of the Year" for its efficient power management with the A19 Pro chip. The iPhone 17 and OnePlus 15 tied for second place, demonstrating different technological approaches to battery performance. Silicon-carbon battery technology is becoming a trend in flagship phones, increasing energy density without adding volume.

K-LinePoet

2026-02-05 00:30:40

Abstract generation in progress

IT之家 February 5th news, technology media CNET today (February 5th) published a blog post reviewing 35 smartphones tested in 2025 and launched in the United States. The results show that Apple’s iPhone 17 Pro Max, powered by the A19 Pro chip, took the overall crown for battery life efficiency.

Regarding the review scope, the original article did not list all 35 phone models; it only clarified that the evaluation was limited to models available in the US market.

In terms of brands, Apple and OnePlus currently lead in battery performance, with relevant screenshots attached below:

Specifically, the iPhone 17 Pro Max, starting at $1199, achieved top battery life through exceptional hardware and software synergy, defeating all competitors despite having a battery capacity of only 5088mAh. It was awarded the title of “Best Battery Life of the Year.”

The media attributes this primarily to the high efficiency of the A19 Pro chip combined with iOS 26 system’s power management, demonstrating that optimization capabilities are more crucial than simply increasing battery capacity.

In the second tier of the rankings, two very different technological approaches are evident. The iPhone 17, with a starting price of $829, and the OnePlus 15, starting at $900, tie for second place. The former further exploits energy efficiency potential, while the latter features a larger battery.

Source: CNET The iPhone 17 relies on the smallest battery capacity in the entire list to achieve top-tier battery life, once again confirming Apple’s energy efficiency advantage. Meanwhile, the OnePlus 15 represents a breakthrough in the Android camp, equipped with a 7300mAh battery. Notably, OnePlus has three models in the top five, the most among Android brands.

This testing reveals a significant industry trend: silicon-carbon batteries are becoming standard in flagship smartphones. Among the top five battery life models, nearly half utilize this new anode material technology. Compared to traditional graphite anode batteries, silicon-carbon batteries can significantly increase energy density without enlarging physical size.

In summary, the industry is moving toward more advanced battery technologies, with silicon-carbon batteries leading the way, promising longer-lasting devices and more efficient energy use across flagship models.

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