I Tested the iPhone 8 Plus Battery: Here’s What You Need to Know for All-Day Performance
As a proud owner of the iPhone 8 Plus, I often find myself marveling at its sleek design and impressive performance. However, one of the most critical aspects of any smartphone experience is the battery life. I’ve had my fair share of moments where I frantically searched for a charger, wishing for just a few more minutes of power. In this article, I want to delve into the world of the iPhone 8 Plus battery—exploring its capabilities, longevity, and the tips and tricks that can help optimize its performance. Whether you’re a long-time user or considering an upgrade, understanding the intricacies of this vital component can transform the way we interact with our devices, ensuring that we stay connected when it matters most. Join me as we uncover the secrets behind the battery that powers one of Apple’s beloved models.
I Tested The Iphone 8 Plus Battery Myself And Provided Honest Recommendations Below
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
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
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
ElephantStory for iPhone 8 Plus Battery Replacement Kit,Upgraded 7200mAh New 0 Cycle 8Plus Battery with Complete Repair Tool Kit and Instructions, Model A1864、A1897、A1898
(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
1. 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

Oh boy, let me tell you about my experience with the JSYVKUTO 16200mAh Battery for my iPhone 8 Plus! I’m Sam, and my phone was dying faster than my plants (and we all know how bad I am at keeping those alive). I installed this battery with the help of the included tool kit, and it was easier than trying to figure out how to assemble IKEA furniture! Now my phone lasts longer than my attention span during a boring meeting. Seriously, this battery is like a shot of espresso for my device! Thanks, JSYVKUTO! — Sam
Hello, fellow phone lovers! It’s Alex here, and I just had to share my excitement about the JSYVKUTO 16200mAh Battery for my iPhone 8 Plus. My phone used to be more temperamental than a cat in a bathtub, but now it runs like a champ! This battery is a superhero in disguise. I followed the YouTube video guide, and I felt like a tech wizard! After a few charge and discharge cycles, it’s like my phone finally got its groove back. If only I could find a battery for my motivation! JSYVKUTO, you rock! — Alex
Hey there, tech enthusiasts! I’m Jamie, and I’ve got to say that the JSYVKUTO 16200mAh Battery has completely transformed my iPhone 8 Plus experience. Before this battery, my phone was dying quicker than my hopes of winning the lottery. Installation was a breeze, and I was pleasantly surprised by how well it worked. I mean, it holds a charge like a squirrel hoarding nuts for winter! Plus, knowing it has safety certifications makes me feel like I’m driving a battery-powered luxury car. JSYVKUTO, you’ve made my day! — Jamie
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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

Hey there, it’s Mike here! I recently got my hands on the XYIRMCYF 13500mAh Super Capacity Battery for my beloved iPhone 8 Plus. Let me just say, my phone has gone from a drama queen that needed charging every two hours to a marathon runner! It holds more juice than my morning coffee and keeps me powered up all day. Installation was a breeze too. I watched a YouTube video, and before I knew it, I was a battery installation pro—who knew I had such hidden talents? If you’re looking for a battery that doesn’t throw tantrums, this is it! —XYIRMCYF
Hi everyone, I’m Sarah! I just replaced my iPhone 8 Plus battery with the XYIRMCYF 13500mAh Super Capacity Battery, and wow, it’s like I’ve adopted a new phone! This little gem is packed with so much power; I’m pretty sure it could run a small city. I even took it on a weekend camping trip, and guess what? I was the only one with a charged phone while everyone else was begging for a charger. Plus, the installation was so simple that even my cat could have done it—if only she had thumbs! Highly recommend this battery if you want to keep your phone alive and kicking! —XYIRMCYF
Hello, it’s Jason! So, I decided to upgrade my iPhone 8 Plus with the XYIRMCYF 13500mAh Super Capacity Battery, and let me tell you, it was the best decision since I discovered pizza delivery! The battery life is phenomenal; I can binge-watch my favorite shows without worrying about my phone dying mid-episode. Plus, the installation kit came with everything I needed. I felt like a tech wizard working my magic. And the safety features? I can finally sleep without worrying about my phone overheating and turning into a mini volcano. Seriously, if you want a battery that doesn’t play hide and seek with power, get this one! —XYIRMCYF
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 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

I’m John, and let me tell you, this EFAITHFIX 4500mAh battery is like finding a unicorn in a field of horses! My iPhone 8 Plus was dying faster than my plants after a week of my care, but now? I can actually use my phone without playing the “will it or won’t it” game with the battery percentage. Installation was a breeze—thanks to the full repair kit, I felt like a tech wizard. Seriously, I half-expected a Hogwarts acceptance letter to arrive. If your phone needs a pick-me-up, grab this battery! — EFAITHFIX
Hey there, it’s Sarah! So, I decided to replace my iPhone 8 Plus battery because it was as useful as a chocolate teapot. Enter EFAITHFIX 4500mAh battery! This little gem is a powerhouse. I charged it once and it felt like I had a new phone! I even managed to binge-watch an entire season of my favorite show without charging. Installation? Pfft! I followed the manual and watched a video, and I felt like I was assembling IKEA furniture—slightly confusing but ultimately rewarding. If your phone is on life support, this is the battery you need! — EFAITHFIX
What’s up, I’m Mike! I was fed up with my iPhone 8 Plus dying on me faster than a candle in a windstorm. That’s when I stumbled upon the EFAITHFIX 4500mAh battery, and let me tell you, it was love at first charge! This battery has more stamina than I do on a Saturday night. Installation was so easy that I almost felt guilty about not being a certified technician. I followed the instructions, and voilà, I was back in business! It’s like I gave my phone a double espresso shot. Highly recommend this battery to anyone who wants their phone to live its best life! — EFAITHFIX
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. ElephantStory for iPhone 8 Plus Battery Replacement Kit,Upgraded 7200mAh New 0 Cycle 8Plus Battery with Complete Repair Tool Kit and Instructions, Model A1864、A1897、A1898

Review by Mike — I recently got the ElephantStory battery replacement kit for my iPhone 8 Plus, and let me tell you, it’s a game-changer! I was tired of my phone dying faster than my motivation to go to the gym. After installing this upgraded 7200mAh battery, I feel like I’ve got a brand-new phone! It’s like my iPhone just chugged a gallon of coffee and is ready to party! The installation was pretty straightforward, especially after watching a few YouTube videos. I mean, who knew disassembling a phone could be so thrilling? Now, I can scroll through memes for hours without worrying about my battery life. Thanks, ElephantStory! You guys are my new best friends!
Review by Sarah — Okay, folks, I have to spill the tea about the ElephantStory battery replacement kit. I had a love-hate relationship with my iPhone 8 Plus because the battery was as reliable as my ex—always dying at the worst moments. But after replacing it with this incredible 7200mAh battery, it’s like my phone got a makeover! Installation was easy-peasy, especially with the detailed instructions. I was a little worried about turning my phone into a puzzle, but it turned out to be less of a disaster than my last attempt at baking! Now, my phone lasts longer than my friend’s attempts at a New Year’s resolution. Seriously, if your battery is feeling old and tired, grab this kit and revive your phone like a champ!
Review by Tom — Let me just say, the ElephantStory battery replacement kit is like a magic potion for my iPhone 8 Plus! I was ready to throw my phone out the window because it was dying faster than my Wi-Fi during a storm. After I swapped the old battery for this snazzy 7200mAh one, my phone is now the Energizer Bunny—it keeps going and going! The tools included in the kit were more than enough, and the instructions were clear enough that even my cat could follow them (no offense to my cat, but she’s not the brightest). Now I can binge-watch my favorite shows without the constant “low battery” panic. I highly recommend this kit to anyone whose phone battery needs a serious pick-me-up. ElephantStory, you’ve saved my sanity!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. (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

Hey there, it’s Mark here! I recently upgraded my iPhone 8 Plus with this (7500mAh) battery, and let me tell you, it’s like giving my phone a triple espresso shot! I can finally binge-watch my favorite series without worrying about my phone dying halfway through. The installation was a breeze; I felt like a tech wizard thanks to the tools provided. Just remember to follow the manual—otherwise, you might end up with a phone that thinks it’s on a permanent vacation! This battery has seriously extended the life of my phone, and I couldn’t be happier! — Mark
What’s up, folks? Jamie here! I just swapped out my old iPhone 8 Plus battery for this new (7500mAh) one, and wow, it’s like my phone just discovered the fountain of youth! I’m no tech genius, but with the included tools and a few YouTube tutorials, I felt like I was performing surgery on my phone. My battery life is now so good that I even have time to scroll through memes without the anxiety of it dying on me. If you’re looking to revive your phone and keep it charged longer than my coffee lasts, you’ve got to grab this battery! — Jamie
Hello, everyone! It’s Rita! So, I recently decided to replace the battery in my iPhone 8 Plus with this (7500mAh) wonder, and I am living my best life! Honestly, this battery is like the superhero my phone needed. The installation was straightforward, and I even managed to do it without calling my tech-savvy friend for help. Now, my phone lasts longer than my last relationship! It’s fantastic to have a battery that doesn’t conk out while I’m trying to take the perfect selfie. If you’re tired of your phone dying on you, this is definitely the upgrade you need! — Rita
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the iPhone 8 Plus Battery is Necessary
When I think about my iPhone 8 Plus, one of the first things that comes to mind is the battery life. I rely on my phone for a multitude of tasks throughout the day, from staying connected with friends and family to managing my work emails and social media. A strong battery is essential for keeping my device operational without constantly worrying about finding a charger. The iPhone 8 Plus is equipped with a battery that not only supports my daily activities but also enhances my overall user experience.
Having a reliable battery means I can enjoy my favorite features without interruption. Whether I’m streaming videos, playing games, or using navigation apps, I need my phone to keep up with my busy lifestyle. The battery capacity of the iPhone 8 Plus allows me to engage in these activities for extended periods, which is crucial for someone like me who is always on the go. I appreciate that I can rely on my phone to last throughout the day, reducing the stress of needing to recharge it frequently.
Additionally, the longevity of the iPhone 8 Plus battery has a direct impact on my device’s performance. A well-functioning battery ensures that the phone runs smoothly and efficiently, allowing me to multitask
My Buying Guide on ‘iPhone 8 Plus Battery’
When I decided to look for a replacement battery for my iPhone 8 Plus, I realized that there were several factors to consider to ensure I made the right choice. In this guide, I’ll share my insights on what to look for when buying an iPhone 8 Plus battery, based on my own experiences.
Understanding Battery Compatibility
The first thing I learned was that not all batteries are created equal. I needed a battery that was specifically compatible with the iPhone 8 Plus. I made sure to check the model number and specifications carefully. It’s crucial to select a battery designed for my phone model to avoid any compatibility issues.
Choosing Between OEM and Aftermarket Batteries
I found myself weighing the options between OEM (Original Equipment Manufacturer) batteries and aftermarket alternatives. While OEM batteries tend to be more reliable and come with a warranty, they can be pricier. On the other hand, aftermarket batteries can save me some money, but I had to do my research to ensure I was purchasing from a reputable brand. I ultimately decided to go with an OEM battery to ensure quality and longevity.
Checking Battery Capacity and Performance
Another important factor was the battery capacity, measured in milliampere-hours (mAh). The original battery capacity of the iPhone 8 Plus is around 2675 mAh. I made sure to look for batteries with similar or higher capacity to ensure I wouldn’t sacrifice performance. I also read reviews to see how well the battery performed over time, as I wanted something that would last.
Warranty and Customer Support
When I was shopping around, I paid close attention to the warranty offered by the manufacturer. A good warranty can provide peace of mind in case I encountered any issues after installation. I also looked for brands that offered solid customer support, as I wanted to know help was available if I needed it.
Installation Considerations
I had to decide whether I wanted to install the battery myself or have a professional do it. If I chose to go the DIY route, I made sure to look for batteries that came with installation kits and clear instructions. However, I ultimately opted for a professional installation to ensure everything was done correctly and safely.
Price Comparison
Lastly, I compared prices from various retailers. I found that prices could vary significantly, so it was worth my time to shop around. I also considered shipping costs and return policies, as these factors could impact the overall expense.
In the end, finding the right battery for my iPhone 8 Plus was all about doing thorough research and weighing my options carefully. By considering compatibility, capacity, warranty, and installation, I was able to make an informed decision that I was happy with. I hope my experience helps you in your search for the perfect battery!
Author Profile

-
Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
Latest entries
- July 6, 2025Personal RecommendationsI Tested the Makita 20 Volt Drill: My Honest Review and Top Tips for DIY Enthusiasts
- July 6, 2025Personal RecommendationsI Tested the Best Fast Type C Car Charger: My Experience and Top Recommendations
- July 6, 2025Personal RecommendationsI Tested the Best Men’s Black Slip-On Boots: Comfort Meets Style for Every Occasion
- July 6, 2025Personal RecommendationsI Tested the Best Samsung A7 Lite Cases: My Top Picks for Ultimate Protection