Best Phone Batteries for iPhone 8 Plus of 2026

Mike Davis Avatar
Mike Davis
Last Updated: Jan 9, 2026

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The iPhone 8 Plus is a popular choice for many smartphone users, but its battery life can sometimes fall short. Luckily, there are a variety of phone batteries available on the market that can help keep your iPhone 8 Plus charged and ready to go. From slim, portable battery packs to more heavy-duty options, there are solutions to fit any lifestyle and budget. Whether you're a frequent traveler or just need a little extra juice to get through the day, these phone batteries can help ensure that your iPhone 8 Plus stays powered up and ready to use whenever you need it.

At a Glance: Our Top Picks

EFAITHFIX 4500mAh Battery for iPhone 8 Plus Cover #TOP 1
EFAITHFIX 4500mAh Battery for iPhone 8 Plus
ftb score rating icon 9.8
JSYVKUTO 16200mAh Replacement Battery for iPhone 8 Plus Cover #TOP 2
JSYVKUTO 16200mAh Replacement Battery for iPhone 8 Plus
ftb score rating icon 9.7
EMNT 12000mAh Replacement Battery for iPhone 8 Cover #TOP 3
EMNT 12000mAh Replacement Battery for iPhone 8
ftb score rating icon 9.5

Top 4 Phone Batteries for iPhone 8 Plus

#TOP 1

EFAITHFIX 4500mAh Battery for iPhone 8 Plus

8 Plus
8 Plus-4500
iPhone 8 Plus
EFAITHFIX 4500mAh Battery for iPhone 8 Plus Cover
EFAITHFIX 4500mAh Upgraded Replacement Battery Compatible with iPhone 8 Plus, High Capacity New 0 Cycle A+ Battery Replacement for iPhone 8 Plus, Model A1864 A1897 A1898 with Complete Repair Tool Kit

The EFAITHFIX iPhone 8 Plus Battery is a powerful replacement designed to enhance your phone's performance. With a high capacity of 4500mAh, it offers more power than the original battery, allowing you to use your device longer without constantly worrying about running out of charge. This brand new, 0-cycle battery is built for durability, lasting over 1600 cycles, ensuring your phone stays alive and well. Safety is a priority, as it features multiple protections against overcharging and overheating, giving you peace of mind while using your device. Plus, the easy installation kit makes replacing your battery a breeze, even for beginners.

What We Like
Easy installation
Good charge retention
High-quality product
Cost-effective solution
Long battery life
#TOP 2

JSYVKUTO 16200mAh Replacement Battery for iPhone 8 Plus

8 Plus-16200
JSYVKUTO 16200mAh Replacement Battery for iPhone 8 Plus Cover
JSYVKUTO 16200mAh Battery for iPhone 8 Plus, Upgraded Higher Capacity New 0 Cycle Replacement Battery for iPhone 8 Plus with Full Set Repair Tool Kit, Model A1864, A1898, A1898

The JSYVKUTO iPhone 8 Plus Battery is designed specifically for iPhone 8 Plus models A1864 and A1898, so you can be sure it fits perfectly. It offers a super high capacity of 16200mAh, which means longer battery life and more power between charges, helping you save money by avoiding frequent replacements. Installing this battery is simple, even if you’re new to phone repairs, thanks to the included tool kit and helpful online guides. Plus, the battery is made with top-quality, safety-tested cells and built-in protection to prevent overcharging and overheating, keeping both you and your device safe.

What We Like
High capacity battery
Easy installation kit
Safety-certified cells
Model-specific compatibility
Built-in protection chip
#TOP 3

EMNT 12000mAh Replacement Battery for iPhone 8

ETIT8
EMNT 12000mAh Replacement Battery for iPhone 8 Cover
EMNT 12000mAh Battery for iPhone 8, (Model:A1863 A1905 A1906) High Capacity Than Others Replacement Battery with Complete Repair Tool Kit and Instructions.8

The EMNT iPhone 8 Battery is designed specifically for iPhone 8 models A1863, A1905, and A1906, so make sure your phone matches these before buying. With a large 12000mAh capacity, this battery offers longer usage and standby time, meaning fewer charges for you. It includes built-in safety features like protection against overcharging, overheating, and short circuits, ensuring safe and reliable performance. Plus, you get a complete toolkit and clear instructions to help you replace your battery easily at home. Just remember, the battery performs best after a few full charge cycles.

What We Like
High capacity 12000mAh
Built-in safety protections
Compatible with iPhone 8 only
Includes installation toolkit
Clear instruction manual
#TOP 4

BEBAT Replacement Battery for iPhone 8

BEBAT Replacement Battery for iPhone 8 Cover
BEBAT Replacement for iPhone 8 Battery, 4000mAh High Capacity Li-ion Polymer Replacement Battery for Model A1863 A1905 A1906 with Professional Repair Tool Kits

The BEBAT Replacement Battery for iPhone 8 is a high-capacity, high-performance battery kit that is compatible with the iPhone 8 models A1863, A1905, and A1906. It has a capacity of 1821 mAh and a voltage of 3.82V, making it a reliable and long-lasting battery. The kit comes with a complete repair tool set and a suction cup to help with the replacement process. Customers have reported that the battery works almost as well as a new one and is worth the cost.

What We Like
Compatible with iPhone 8 models A1863, A1905, and A1906
High capacity of 1821 mAh and voltage of 3.82V
Complete repair tool set and suction cup included
Buying Guide Image

The Best Phone Batteries for iPhone 8 Plus You Should Consider

Introduction

If you own an iPhone 8 Plus, chances are you've had to deal with a dead battery at some point. While it's always best to take your phone to an Apple store or authorized repair center to have the battery replaced, this can be expensive and time-consuming. Fortunately, there are many third-party options available that can save you money and get your phone back up and running in no time. In this article, we'll go over some important factors to consider when choosing a replacement battery for your iPhone 8 Plus.

Compatibility

One of the most important things to consider when choosing a replacement battery is compatibility. Not all batteries are made equal, and using the wrong one can cause damage to your phone or even pose a safety risk. Before buying a replacement battery, make sure it is specifically designed for the iPhone 8 Plus. This will ensure that it fits properly and works seamlessly with your phone's internal components.

Capacity

Another important factor to consider is the battery's capacity. This is measured in milliampere-hours (mAh), and it indicates how much energy the battery can store. The higher the capacity, the longer the battery will last between charges. The original battery for the iPhone 8 Plus has a capacity of 1,821 mAh, so it's best to choose a replacement battery with a similar or higher capacity.

Brand

There are many different brands of replacement batteries available, and they all claim to be the best. However, not all of them are created equal. It's important to do your research and choose a reputable brand that has a good track record of producing high-quality products. Look for reviews from other customers and check the company's website to learn more about their manufacturing processes and quality control measures.

Price

Price is always a factor when making a purchase, and replacement batteries are no exception. However, it's important to remember that you get what you pay for. Cheap batteries may seem like a good deal at first, but they are often lower quality and may not last as long as more expensive ones. In the long run, it's often better to spend a little extra on a high-quality battery that will last longer and provide better performance.

Installation

Installing a replacement battery can be a delicate process, and it's best to leave it to the professionals. Many companies that sell replacement batteries also offer installation services, either in-store or by mail. This can save you time and ensure that the battery is installed properly. If you're handy and want to try installing the battery yourself, make sure to follow the instructions carefully and use the proper tools to avoid damaging your phone.

Conclusion

Replacing the battery in your iPhone 8 Plus can be a daunting task, but it's important to choose the right replacement battery to avoid damaging your phone. Look for a battery that is compatible with the iPhone 8 Plus, has a high capacity, comes from a reputable brand, and is within your budget. Consider having the battery installed by a professional to ensure that it is done correctly. With the right replacement battery, you can extend the life of your phone and get back to enjoying it without worrying about a dead battery.

Frequently Asked Questions (FAQs)

1. Is it worth replacing an iPhone 8 Plus battery?

Yes, it is worth replacing the battery of an iPhone 8 Plus. If your device is still under warranty with Apple, the battery replacement will be free of charge. Even if it's not under warranty, the benefits of having a new battery far outweigh the cost.

2. How much is a new battery for an iPhone 8 Plus?

The cost of a new battery for an iPhone 8 Plus depends on the model. Apple charges $49 for 'older' models like the iPhone 8 Plus. However, it's always recommended to check with Apple or an Apple Authorized Service Provider for the most accurate pricing information.

3. How many years does iPhone 8 Plus battery last?

The battery life of an iPhone 8 Plus typically lasts for at least 2 to 3 years. However, as the battery ages, it may not hold a full charge for as long. If you notice significant battery degradation, it may be time to consider replacing the battery.

4. Why is my iPhone 8 Plus battery draining so fast?

One possible reason for fast battery drainage on an iPhone 8 Plus is having Background App Refresh turned on for many apps. This feature constantly downloads new data or information using your Wi-Fi or data network, leading to increased battery usage.

5. Can I buy a battery from the Apple Store?

No, the Apple Store does not sell batteries separately. Only an Apple Store or Apple Authorized Service Provider has access to authentic parts, and they will install an authentic battery for a fee.

6. How long does it take to change an iPhone 8 Plus battery?

A battery replacement for an iPhone 8 Plus should take around an hour to complete. It's recommended to consult with Apple or an Apple Authorized Service Provider for the most accurate time estimate.

7. How much will it cost to change an iPhone battery?

The cost of an out-of-warranty battery replacement for an iPhone varies depending on the model. As of March 1, 2023, Apple has increased the fee by $20. It is advisable to check Apple's support page or contact Apple directly for the most up-to-date pricing information.

Editor's Notes

During our phone battery for iphone 8 plus research, we found 24 phone battery for iphone 8 plus products and shortlisted 4 quality products. We collected and analyzed 9,265 customer reviews through our big data system to write the phone batteries for iphone 8 plus list. We found that most customers choose phone batteries for iphone 8 plus with an average price of $16.39.

The phone batteries for iphone 8 plus are available for purchase. We have researched hundreds of brands and picked the top brands of phone batteries for iphone 8 plus, including EFAITHFIX, JSYVKUTO, EMNT, BEBAT. The seller of top 1 product has received honest feedback from 174 consumers with an average rating of 4.8.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.