Battery life has once again become a key factor for smartphone users. According to a comprehensive test conducted in 2026 by the technology website CNET, 35 smartphones were evaluated for battery performance. The results showed that Apple and OnePlus devices currently offer the best battery life.
While most smartphones today last a full day on a single charge, heavy users—such as social media enthusiasts, video creators, or those who forget to charge regularly—may still find this insufficient.
Advances in Battery Technology
Over the past decade, battery technology has seen little significant improvement, but recent developments are changing this trend. Several companies introduced silicon carbon batteries, which store more energy in a smaller space. As smartphones continue to become thinner, this allows for longer battery life without increasing device size.
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CNET tested the devices using two standard methods: video streaming and a stress test, both starting from a full charge. Rankings were determined based on the average remaining battery after the tests.
Top Performing Smartphones
iPhone 17 Pro Max – Achieved the highest ranking, despite not having the largest battery. Its A19 Pro chip and iOS 26 energy management contributed to superior performance.
iPhone 17 and OnePlus 15 – Tied for second place. Interestingly, iPhone 17 had the smallest battery among the top phones, showing that battery size alone does not determine endurance.
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Other top-five performers included iPhone 17 Pro, two Motorola models, and select OnePlus devices, most of which were priced under $1,000.
Leading Brands in Battery Life
Considering overall brand performance:
Apple – Leading in energy efficiency and battery management.
OnePlus – Several models with silicon carbon batteries delivering consistent performance.
Motorola – Solid performance across both flagship and mid-range models.
Samsung – Close competitor to Motorola in endurance.
Google – Pixel series provides reliable battery life for daily users.
CNET noted that 2026 is a breakthrough year for battery technology, as improved chips, advanced software, and new battery materials deliver longer-lasting smartphones.
Key Takeaways
Battery management and efficiency are more important than battery size alone.
Apple and OnePlus lead in real-world battery performance.
Affordable devices are increasingly matching the endurance of premium smartphones.
Consumers seeking long-lasting smartphones in 2026 should prioritize Apple and OnePlus devices for maximum battery life.
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