Top 2 Phone Brands for Battery Life After Testing 35 Models

In a recent evaluation of smartphone battery life, Apple and OnePlus emerged as the leading brands. Both companies ranked at the top after testing 35 different models, highlighting their prowess in offering prolonged usage times on a single charge.

2025 Battery Life Insights

The tests showed that 2025 smartphone models generally have improved battery life compared to those from 2024, though the difference was minimal—just 0.78% on average. Notably, almost half of the top contenders featured silicon-carbon batteries, a technology that enhances capacity without increasing the size of the battery.

Top Performers in Battery Life

According to the tests conducted, the iPhone 17 Pro Max stands out as the phone with the best battery life, even though its 5,088-mAh capacity is not the largest. The efficiency of Apple’s A19 Pro chip and iOS 26 contributes significantly to its performance.

• 1. iPhone 17 Pro Max: Starting price at $1,199
• 2. iPhone 17: Starting at $829
• 2. OnePlus 15: Starting at $900
• 4. iPhone 17 Pro: Starting at $1,099
• 5. Tied Ranking:
  • Motorola Moto G Stylus (2025) – $400
  • Motorola Edge (2025) – $500
  • OnePlus 13R – $600
  • OnePlus 15R – $700

Brand Rankings for Battery Life

When averaging the results across multiple models, Apple and OnePlus were ranked as the top brands for battery longevity. Motorola and Samsung followed closely behind, showcasing a competitive landscape among these electronics giants.

• 1. Apple
• 2. OnePlus
• 3. Motorola
• 4. Samsung
• 5. Google

Understanding Battery Technology

The shift towards silicon-carbon batteries marks a significant evolutionary leap in smartphone technology. These batteries allow manufacturers to increase power capacity without enlarging the battery size, a crucial advancement as phone designs become slimmer.

Implications for Consumers

As consumers increasingly rely on their devices, knowing which smartphones offer the best battery life before making a purchase is crucial. Battery life has become a top priority for smartphone buyers, second only to price, according to a CNET/YouGov survey from September 2025.

If you have an existing smartphone but are dissatisfied with its battery performance, consider replacing the battery instead of investing in a new device. This can extend the life of your phone significantly while saving you money.

As battery technology continues to evolve, keeping an eye on upcoming models in 2026 promises further advancements in this key area.