Which iPhone has the Best Battery Life?

Battery life might be the last thing you think about when buying an iPhone. However, with all the endless scrolling, streaming, and calls that never seem to end, it suddenly matters a lot more. A phone that lasts longer means no more panic when the battery turns red, and there’s no charger in sight. That peace of mind is exactly why many people consider long battery life as a must-have feature for their iPhone.

Apple has continued to refine battery efficiency across its iPhone lineup. While the latest models show noticeable improvements, many older versions still hold their ground well. So, which iPhone has the best battery life? Let’s find out in this blog.

iPhones with the Best Battery Life

Before delving into the details, here’s a quick overview of the iPhones that have been praised for their battery efficiency.

Why Did These iPhones Make Our List?

Battery life isn’t just about a bigger battery. Several factors influence overall efficiency, and all the models listed above share the following features:

• More capacity to last all day with a bigger size (bigger battery)
• An energy-efficient chip for better performance and managing consumption
• Adaptive 120Hz ProMotion display to adjust refresh rates, saving battery life

iPhone 17 Pro Max: Best Battery Life Overall

As of now, Apple's flagship model, the iPhone 17 Pro Max, has the best battery life. Whether you’re streaming continuously or capturing photos, it can easily last for all day on a single charge.

Pros:

• A19 Pro Chip
• Top-tier features that Apple has to offer
• 48MP Pro-Fusion Camera System
• 6.9-inch Super Retina XDR Display

Cons:

• Expensive

iPhone 16 Pro Max: Best Battery Life for Power Users

Built for heavy users, the iPhone 16 Pro Max continues to perform even with demanding tasks. Streaming, gaming, and multitasking feel effortless without the need to constantly check your battery percentage. That’s why this phone is ranked second in our list of “which iPhone has the best battery life.”

Pros:

• A18 Pro Chip
• Large battery capacity
• 6.9-inch Super Retina XDR Display

Cons:

• Bulky for some users

iPhone 17 Pro: Best Battery Life in a Compact Pro Model

If you want strong battery life without carrying the biggest phone, the iPhone 17 Pro hits the sweet spot. It gets you through a full day of streaming while still delivering top-tier performance.

Pros:

• A19 Pro Chip
• Top-of-the-line features
• 48MP Pro Camera System
• 6.3-inch Super Retina XDR Display

Cons:

• Less expensive than the 17 Pro Max model, but still pricey

iPhone 17: Best Battery Life for Everyday Use

The iPhone 17 is a perfect flagship phone if you want a reliable all-day battery without paying Pro prices. It handles daily tasks smoothly and stays efficient from morning to night.

Pros:

• A18 Chip
• Optimised power efficiency
• 6.3-inch Super Retina XDR OLED display

Cons:

• No ProMotion display

iPhone 15 Pro Max: Best Battery Life with Pro Features

The iPhone 15 Pro Max is still a powerhouse and is often mentioned when people ask which iPhone has the best battery life. This is all thanks to its balanced performance and endurance. It is ideal if you want premium features with a strong battery life, but don’t want to pay for flagship prices.

Pros:

• A17 Pro Chip
• Excellent battery optimisation
• Pro camera features

Cons:

• Premium price tag, but fewer features than the 16 or 17 series

iPhone 14 Pro Max: Best Battery Life for Reliability

This model proves that solid battery life never goes out of style. It remains dependable for those long days, even years after its launch.

Pros:

• A16 Bionic Chip
• Cheaper than the latest generation Pro Max models
• Strong battery longevity
• ProMotion display

Cons:

• Heavy design

iPhone 13 Pro Max: Best Battery Life for Money

One of Apple’s legends, the iPhone 13 Pro Max, still holds its ground well when it comes to battery life. It is a great pick if you want good endurance without buying the latest models.

Pros:

• A15 Bionic Chip
• Budget-friendly
• Exceptional battery life
• Smooth 120Hz display

Cons:

• Older camera system

iPhone 16 Plus: Best Battery Life on a Budget

The larger body gives the iPhone 16 Plus an edge in battery performance, since it can accommodate a bigger battery. It easily lasts all day and then some for regular use.

Pros:

• Large battery capacity
• A18 Chip
• Big, immersive display

Cons:

• No Pro features

iPhone 16 Pro

Another one from the 16 series, the 16 Pro delivers dependable battery life while keeping things compact and premium. It is geared towards users who want power without that bulky look.

Pros:

• A18 Pro Chip
• Efficient power management
• Pro camera system

Cons:

• Smaller battery than the Pro Max

iPhone 15 Plus

Last but not least, the iPhone 15 Plus also makes our list of “which iPhone has the best battery life”. It is the perfect phone if longer battery life matters more to you than Pro specs. The 15 Plus is simple, reliable, and lasts through a full day with minimal battery drain.

Pros:

• Large battery
• A16 Bionic Chip
• Lightweight for its size

Cons:

• 60Hz display

How to Pick an iPhone with the Best Battery Life?

If you are still in doubt about which iPhone has the best battery life, ask yourself this question: “How do you actually use your phone throughout the day?” Once you match your habits with the right model, the choice becomes much easier.

Consider the following points when making a decision:

• Your Day Revolves around Your Phone: If streaming, gaming, navigation, and multitasking are part of your routine, you’ll need a phone that has better endurance. In that case, the Pro Max models will match your needs perfectly. They are built for heavy use and minimise the need for mid-day charging.
• Better Performance, Smaller Phone: Pro models offer strong all-day performance and also come in hand-friendly sizes. They’re ideal if you want premium features and reliable battery life without carrying the largest iPhone.
• Simple but Consistent Use: Calls, browsing, social media, and video playback are where the Plus models shine. Their larger capacity delivers long-lasting power without paying extra for Pro-level features.
• Affordability: If budget is your concern, pick from the older Pro Max or standard models. They still perform exceptionally well in terms of battery life.

Buy an iPhone with the Best Battery Life at Mobile Guru

With that, our list of which iPhone has the best battery life comes to an end. The iPhone 17 Pro Max excels in all areas, but if you don’t want to spend too much money, there are several other viable options, like refurbished iPhones. Once you’ve figured out which one suits your needs, the next step is finding a place you can trust to buy it. That’s where Mobile Guru makes things easier.

Whether you’re after the latest iPhone 17 Pro Max or looking for a Pro model from an earlier generation, we have you covered. Our collection has refurbished iPhones from all series, going all the way back to the 7 and 8 models. Each device goes through our 72-point test for functionality and is available at competitive prices.

So, check out our website today to enjoy great deals on an iPhone of your choice. If you need further assistance, you can call us on 1300 362 017 or email us at hello@mobileguru.com.au.