Let’s be honest – no one wants to be constantly glued to a charger. Whether you’re working, gaming, studying, or binge-watching YouTube, battery life can make or break your smartphone experience.
In this post, we’re breaking down the best battery life phones of 2025. These devices have been tested and ranked based on real-world usage, not just the size of the battery on paper.
What Is Battery Life Ranking – And Why It Matters in 2025
Battery life rankings are a way to compare how long phones actually last between charges – based on real tasks like video streaming, web browsing, gaming, and standby time.
Why it matters:
- Bigger batteries ≠ better battery life – software, screen type, and processor efficiency also play a big role.
- With so many phones on the market, battery life rankings help you choose a phone that fits your lifestyle.
- For people who are always on the go – students, delivery drivers, digital nomads – a long-lasting battery is essential.
How Battery Life Rankings Work – Explained Simply
These rankings are based on:
- Battery capacity (measured in mAh)
- Screen-on time in mixed usage
- Power efficiency of the chipset
- Charging speed and endurance
Most phones in 2025 come with 5,000mAh or more, but endurance still varies based on screen resolution, refresh rate, and background tasks.
We’ve looked at independent battery tests, real user reviews, and manufacturer specs to build this list.
Battery Life Rankings: The Longest-Lasting Phones in 2025
Here are the top 10 phones in 2025 with the best battery life, ranked from longest to shortest endurance.
| Rank | Phone Model | Battery Size | Screen-On Time (Avg) | Best For |
|---|---|---|---|---|
| 1 | Asus ROG Phone 8 Pro | 6,000mAh | 12–13 hours | Heavy gaming, power users |
| 2 | Samsung Galaxy M15 | 6,000mAh | 11–12 hours | Budget users, students |
| 3 | Redmi Note 13 Pro+ | 5,500mAh | 10–11 hours | Value for money |
| 4 | iPhone 16 Plus | ~4,400mAh | 10 hours | Apple fans, media use |
| 5 | Samsung Galaxy A55 | 5,000mAh | 9–10 hours | Midrange all-rounder |
| 6 | Motorola G Power 5G | 5,000mAh | 9.5 hours | Basic daily tasks |
| 7 | OnePlus Nord CE 4 | 5,500mAh | 9–9.5 hours | Smooth performance + value |
| 8 | Samsung Galaxy S25+ | 4,900mAh | 8.5–9 hours | Premium Android experience |
| 9 | iPhone 16 Pro Max | ~4,400mAh | 8.5 hours | Pro users, creators |
| 10 | Realme C67 | 5,000mAh | 8–9 hours | Budget pick with endurance |
Note: Battery life may vary depending on brightness, usage habits, and app activity.
Common Mistakes With Battery Life Expectations – And How to Avoid Them
1. Assuming higher mAh = longer battery life
It helps, but screen quality, refresh rate, and software are just as important.
2. Ignoring background apps
Many apps drain your battery silently. Always check which apps are using power in the settings.
3. Using the wrong charger
Using a low-watt charger can lead to slow charging and more screen-on time while charging, which drains power even more.
4. Forgetting about screen refresh rates
Phones with 120Hz screens can consume more battery. Switch to 60Hz in settings if you need longer life.
Best Tips to Make the Most of Your Phone’s Battery in 2025
- Use Battery Saver Mode – It’s smarter and more effective than ever.
- Lower your screen brightness or turn on auto-brightness.
- Turn off 5G when not needed – LTE uses less power.
- Uninstall or limit background apps like Facebook or TikTok.
- Keep your phone updated – new software updates often improve battery performance.
The Latest Battery Tech Updates in 2025 You Should Know About
In 2025, manufacturers are pushing AI-based battery optimization that learns your usage patterns and adapts charging behavior to preserve battery health.
Other trends include:
- Silicon-carbon battery components for faster charging.
- Battery health management tools in Android 14 and iOS 18.
- Repairable batteries in some models like Nokia G42 and Fairphone.
Plus, more midrange phones now come with fast charging over 60W, which can give you 50% charge in under 20 minutes.
Conclusion: Which Phone Lasts the Longest in 2025?
If battery life is your top priority, the Asus ROG Phone 8 Pro and Samsung Galaxy M15 are the best you can get in 2025 – both easily pushing past a full day of heavy use.
For most users:
- Redmi Note 13 Pro+ and Galaxy A55 hit the sweet spot between price and endurance.
- iPhone 16 Plus remains the best Apple pick for battery-conscious users.
- And if you’re on a tight budget, Realme C67 and Motorola G Power 5G offer incredible value.
Choose based on your needs: gaming, productivity, or all-day usage. And don’t forget – good habits matter as much as battery size.
FAQ: Battery Life Rankings in 2025
What phone has the best battery life in 2025?
The Asus ROG Phone 8 Pro currently tops the list, lasting over 12 hours of screen-on time in tests.
Which Samsung phone lasts the longest?
The Galaxy M15 is Samsung’s best performer for battery life, thanks to its 6,000mAh battery and efficient chipset.
Why does my phone battery drain so fast?
Background apps, high brightness, 5G, and a high refresh rate can all reduce battery life quickly. Adjust settings to optimise usage.
Can I improve my phone’s battery over time?
Yes – by using power-saving modes, keeping software updated, and managing apps that run in the background.
Is fast charging bad for battery health?
Most modern phones manage fast charging safely. However, frequent fast charging at 100% can slightly impact long-term health. Use regular charging when possible overnight.