Best Phone Batteries for iPhone 8 Plus of 2025

Mike Davis Avatar
Mike Davis
Last Updated: Jan 7, 2025

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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
iFixit iPhone 8 Plus Battery Repair Kit Cover #TOP 2
iFixit iPhone 8 Plus Battery Repair Kit
ftb score rating icon 9.7
Upgraded Battery for iPhone 8 Plus Cover #TOP 3
Upgraded Battery for iPhone 8 Plus
ftb score rating icon 9.5

Top 10 Phone Batteries for iPhone 8 Plus

#TOP 1

EFAITHFIX 4500mAh Battery for iPhone 8 Plus

8 Plus
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
High capacity for longer use
Durable with over 1600 cycles
Multiple safety protections
Easy installation with kit
#TOP 2

iFixit iPhone 8 Plus Battery Repair Kit

IF372-001-4
iFixit iPhone 8 Plus Battery Repair Kit Cover
iFixit Battery Compatible with iPhone 8 Plus - Repair Kit

The iFixit Battery Compatible with iPhone 8 Plus is a brand new battery with confirmed capacity of 95% or higher, and no cycles on the cell. The Fix Kit includes all necessary tools and adhesive for DIY repair. With 10.28 Wh watt hours, 3.82 V voltage, and 2691 mAh milliamp hours, it is compatible with iPhone 8 Plus models A1864, A1897, A1898. Covered by iFixit's 1-Year Battery Warranty, this product is perfect for those looking to replace their iPhone 8 Plus battery.

What We Like
Brand new battery with 95% or higher capacity
Fix Kit includes all necessary tools and adhesive
Compatible with iPhone 8 Plus models A1864, A1897, A1898
#TOP 3

Upgraded Battery for iPhone 8 Plus

IP8P
Upgraded Battery for iPhone 8 Plus Cover
Upgraded Battery for iPhone 8 Plus (5.5"), High Capacity Replacement Compatible with iPhone 8 Plus Battery A1864 A1897 A1898 with Professional Repair Tools Kit

The Upgraded Battery for iPhone 8 Plus (5.5") is a high capacity replacement compatible with iPhone 8 Plus Battery A1864 A1897 A1898 with Professional Repair Tools Kit. It features a smart power housekeeper, a 100% size fit ultra high capacity battery, a professional installation manual, and a quality warranty. Customers have found the battery to be of great value and easy to install, though some have found the instructions to be unclear.

What We Like
Latest IC Chip Smart Power Housekeeper
100% Size Fit Ultra High Capacity Battery
Contains Professional Installation Manual
High Capacity Battery
Risk-Free Shopping And Quality Warranty
#TOP 4

Luuzkla 12000mAh Battery for iPhone 8 PLUS

Luuzkla
8 Plus-12000
8P,12000mAh
Luuzkla 12000mAh Battery for iPhone 8 PLUS Cover
Luuzkla 12000mAh (2024 New Upgrade) Battery Compatible with iPhone 8 PLUS, Super Capacity Battery Replacement Compatible with iPhone 8 PLUS, with Full Tool Kits-0 Cycle High Capacity-24 Months Service

The Luuzkla iPhone 8 PLUS Battery offers an impressive 12000mAh capacity, significantly extending your phone's usage time while reducing the need for frequent recharges. Designed specifically for the iPhone 8 PLUS, this battery fits perfectly while delivering more power than the original. Safety is a top priority, with advanced features that prevent overcharging and overheating, ensuring your device remains secure. Additionally, the battery comes with a professional tool kit, making installation straightforward and hassle-free. This combination of high capacity, safety, and ease of installation makes the Luuzkla battery a practical choice for enhancing your iPhone experience.

What We Like
High capacity for longer use
Safe with overcharge protection
Easy installation with tool kit
Compatible with specific iPhone models
#TOP 5

ElephantStory 7200mAh Battery for iPhone 8 Plus

EPS-IP8P
black
8p-7200
ElephantStory 7200mAh Battery for iPhone 8 Plus Cover
ElephantStory Battery for iPhone 8 Plus, 【7200mAh】 New 0 Cycle Replacement Battery for iPhone 8 Plus with Complete Repair Tool Kit and Instructions, Model A1864, A1897, A1898

The ElephantStory iPhone 8 Plus Battery is designed specifically for your device, ensuring compatibility with models A1864, A1897, and A1898. This high-quality 7200mAh battery provides significantly more power than the original, extending your phone's battery life. With a complete repair kit included, you can easily replace your battery at home, making the process convenient and cost-effective. The battery also features advanced safety protections, including an IC chip to prevent issues like overcharging and overheating, giving you peace of mind while using your device.

What We Like
High capacity for extended use
Includes repair tools and instructions
Safety features for user protection
Compatible with specific iPhone models
#TOP 6

XYIRMCYF 13500mAh Battery for iPhone 8 Plus

XYIRMCYF
8 Plus-13500
XYIRMCYF 13500mAh Battery for iPhone 8 Plus Cover
XYIRMCYF 13500mAh Super Capacity Battery Compatible with iPhone 8 Plus, 0 Cycle Li-Polymer Replacement Battery for iPhone 8 Plus, with Professional Repair Tool Kit

The XYIRMCYF iPhone 8 Plus Battery is designed to enhance your phone's performance with its impressive 13500mAh capacity, offering more power than the original battery. This means you can enjoy longer usage times without the constant worry of your phone dying. The battery comes with a complete set of professional tools for easy installation, making it accessible even for beginners. Additionally, it features a built-in smart chip that ensures safety by preventing issues like overcharging and overheating. With strict quality control standards, you can trust that this battery is both reliable and efficient.

What We Like
High capacity for extended use
Easy installation tools included
Safety features for protection
Quality tested and certified
#TOP 7

XYIRMCYF 10000mAh Battery for iPhone 8 Plus

XYIRMCYF
8PLUS-10000
XYIRMCYF 10000mAh Battery for iPhone 8 Plus Cover
XYIRMCYF 10000mAh Super Capacity Battery Compatible with iPhone 8 Plus, 0 Cycle Li-Polymer Replacement Battery for iPhone 8 Plus, with Professional Repair Tool Kit

The XYIRMCYF iPhone 8 Plus Battery offers a powerful 10000mAh capacity, giving you more battery life than the standard option. This means you can enjoy longer use without constantly worrying about recharging. The battery comes with a complete repair toolkit, making installation straightforward for anyone, even beginners. Additionally, it features a smart chip that protects against overcharging, overheating, and short circuits, ensuring safe usage. With strict quality control and multiple certifications, you can trust that this battery will perform efficiently and reliably.

What We Like
High capacity for extended use
Easy installation with toolkit
Smart protection features
Strict quality assurance
#TOP 8

Conqto 4600mAh Battery for iPhone 8 Plus

iphone 8 plus
Conqto 4600mAh Battery for iPhone 8 Plus Cover
(7500mAh) Battery for iPhone 8 Plus, 2025 New Upgraded Version Higher Capacity 0 Cycle Replacement Battery for iPhone 8 Plus Model A1864, A1897, A1898 with Full Set Professional Repair Tool Kits

Upgrade your iPhone 8 Plus battery with Conqto's 4600mAh high-capacity replacement battery. This brand new battery is compatible with models A1864, A1897, and A1898 and provides 72% more power than the original battery. The built-in lithium battery and smart chip prevent overcharging, overdischarging, and overheating, ensuring safety and longevity. With this battery, you can extend the life of your phone and avoid the need for a costly replacement. The package includes a set of professional repair tools and a battery manual for easy installation. If you encounter any issues, the customer service team is available to assist you within 24 hours.

What We Like
High-capacity battery provides 72% more power than the original battery
Built-in lithium battery and smart chip prevent overcharging, overdischarging, and overheating
Brand new replacement battery extends the life of your phone and saves money on costly replacements
Comes with a set of professional repair tools and a battery manual for easy installation
Customer service team available for assistance within 24 hours
#TOP 9

EDIPEKA 7500mAh Battery for iPhone 8 Plus

EDIPEKA
8 Plus
EDIPEKA 7500mAh Battery for iPhone 8 Plus Cover
EDIPEKA Battery for iPhone 8 Plus,7500mAh Ultra High Capacity Replacement Battery for iPhone 8 Plus Models A1864, A1897, A1898, Complete Professional Repair Tool kit

The EDIPEKA iPhone 8 Plus Battery is designed specifically for models A1864, A1897, and A1898, ensuring compatibility and ease of installation. With a powerful 7500mAh capacity, this battery can significantly extend your phone's usage time, allowing you to stay connected without frequent recharging. It features a built-in smart chip that safeguards against overcharging and overheating, enhancing its lifespan and reliability. Additionally, the product comes with a complete repair tool kit, making the battery replacement process straightforward for you. Remember, optimal performance is achieved after a few full charge cycles, ensuring you get the best out of your new battery.

What We Like
High capacity for extended use
Smart chip for safety
Easy installation with tools
Compatible with specific iPhone models
#TOP 10

ASDAWN 7500mAh Battery for iPhone 8 Plus

8 Plus, 7500mAh
ASDAWN 7500mAh Battery for iPhone 8 Plus Cover
ASDAWN 7500mAh Battery for iPhone 8 Plus (Not for 8), Upgraded Higher Capacity iPhone 8 Plus Battery Replacement for A1864 A1897 A1898 A1899 with Professional Tools

The ASDAWN iPhone 8 Plus Battery offers a reliable solution for users looking to replace their old battery. With a capacity of 7500mAh, it provides significantly more power than the standard battery, allowing you to enjoy extended usage time. The included installation guide and professional support make the replacement process straightforward, ensuring you can easily rejuvenate your device. Safety is a top priority with this battery, featuring built-in protections against overcharging and overheating, so you can use your phone with peace of mind. Plus, the high-quality materials ensure durability and longevity, giving your iPhone a renewed life.

What We Like
High capacity for longer use
Easy installation with guide
Safety features included
Durable and reliable materials
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 10 quality products. We collected and analyzed 10,422 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 $19.92.

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, iFixit, UooFide, Luuzkla, ElephantStory. The seller of top 1 product has received honest feedback from 182 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.