Using a smartphone in a car demands a good battery. It is important because phone use in cars often involves GPS navigation, calls, music, and sometimes video streaming. These tasks drain battery fast. So, having a phone with a long battery life makes the driving experience easier and safer. As of September 2025, many phones come with large batteries and efficient power management.
This article covers the top smartphones with the longest battery life that are great for use in cars. It explains their battery capacity, usage time, charging speeds, and other benefits.
Why Battery Life Matters for Car Use
Phones used in cars often run GPS apps that use both data and screen power continually. This puts a heavy load on the battery. Drivers also use hands-free calling, music apps, and sometimes dashcam or video apps. A phone with a strong battery can last through long journeys without needing a charge. Faster charging is also helpful for quick top-ups during stops. Reliable battery life means you will not worry about your phone dying in the middle of important routes or calls.
Top Smartphones for Long Battery Life in 2025
Here are some of the best phones with exceptional battery life, tested for real-world use. The numbers below represent how long each phone can last with typical use, including web browsing and app use, which is similar to car usage situations like GPS and music streaming.
1. Asus ROG Phone 9 Pro
- Battery Life: About 20 hours and 34 minutes of active use.
- Battery Size: 5,800 mAh.
- Features: Adaptive refresh rate screen, Snapdragon 8 Elite chipset.
- Fast Charging: 65W, reaching 74% charge in 30 minutes.
- Why Good for Cars: Longest battery life with performance efficiency. You can use GPS and apps for a whole day without running low.
2. OnePlus 13
- Battery Life: Around 19 hours and 45 minutes.
- Battery Size: 6,000 mAh.
- Features: Snapdragon 8 Elite chipset, 80W fast wired charging, 50W wireless charging.
- Why Good for Cars: Large powerful battery with rapid charging to get back on the road quickly.
3. OnePlus 13R
- Battery Life: Around 18 hours and 49 minutes.
- Battery Size: 6,000 mAh.
- Features: Snapdragon 8 Gen 3 chipset.
- Charging: 55W wired, no wireless charging.
- Why Good for Cars: Balanced battery life with budget-friendly price, ideal for users needing long screen-on time.
4. Motorola Moto G (2025)
- Battery Life: About 18 hours and 32 minutes.
- Battery Size: 5,000 mAh.
- Features: Variable refresh rate screen, budget pricing around $199.
- Charging: 30W wired fast charging.
- Why Good for Cars: Offers excellent battery life for a low price. Great choice for long drives without high cost.
5. iPhone 17 Pro Max
- Battery Life: Nearly 18 hours.
- Battery Size: Estimated larger than prior iPhones.
- Features: A19 Pro chipset, vapor chamber cooling, efficient power use.
- Charging: 40W charger, 50% charge in 20 minutes.
- Why Good for Cars: Longest-lasting iPhone ideal for users in the Apple ecosystem who want premium battery performance.
6. Samsung Galaxy S25 Ultra
- Battery Life: About 17 hours and 14 minutes.
- Battery Size: 5,000 mAh.
- Features: Snapdragon 8 Elite chipset, Qi2 wireless charging (with additional accessory).
- Charging: 45W wired fast charge.
- Why Good for Cars: High-end phone with solid battery life combined with premium features like wireless charging.
7. Motorola Moto G Power (2025)
- Battery Life: Around 17 hours and 13 minutes.
- Battery Size: Large battery in budget phone lineup.
- Features: Wireless charging support.
- Charging: Moderate speed but good endurance.
- Why Good for Cars: Perfect for users who want maximum battery life over all else without needing to pay high price.
Other Notable Phones
- Asus Zenfone 11 Ultra (~17 hours)
- Samsung Galaxy S25 Plus (~16 hours and 55 minutes)
- iPhone 16 Plus (~16 hours and 29 minutes)
- Motorola Razr Ultra 2025 (Foldable with 15+ hours battery life)
What Makes These Phones Good for Car Usage?
Smartphones with long battery life combine big batteries with efficient processors. Modern chipsets like Qualcomm Snapdragon 8 Elite and Apple’s A19 Pro help phones use power smarter. Adaptive refresh rates on screens reduce battery use when high frame rates are not needed. Fast charging lets you quickly get back to full power during breaks.
For car use, these phones also support features like Bluetooth, hands-free calling, and reliable GPS. Wireless charging (Qi standard) can be handy with car mounts that support wireless charging. Phones with good loudspeakers and microphones improve call quality while driving.
Tips to Maximize Battery Life in Cars
- Lower screen brightness or use adaptive brightness.
- Use battery saver modes where available.
- Limit background apps to save power.
- Use wired car chargers or fast wireless chargers to recharge quickly on the go.
- Avoid keeping Bluetooth and mobile data always on if not needed, as this drains power.
- Close heavy apps when not in use.
Conclusion
On September 20, 2025, several smartphones stand out for offering the longest battery life suitable for use in cars. The Asus ROG Phone 9 Pro tops the list with over 20 hours of active battery life. OnePlus models and the affordable Motorola Moto G 2025 also show excellent stamina. For Apple users, the iPhone 17 Pro Max offers the best endurance yet. Samsung’s Galaxy S25 Ultra delivers flagship features with strong battery life too.
Choosing any of these phones will help ensure uninterrupted use in cars for GPS, calls, music, and other tasks without frequent charging. Consider fast charging and wireless charging features to get the most convenience during drives.
This guide helps drivers find a smartphone that can keep up with long journeys, making travel safer and more enjoyable.
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