I Tested the Galaxy Note 20 Ultra Battery Upgrade: Here’s What Changed
When I first got my hands on the Galaxy Note 20 Ultra, I was blown away by its stunning display and powerful performance. But as time went on, one thing became clear—the battery just wasn’t keeping up with my demanding daily use. That’s when I started exploring ways to give my device a much-needed boost. The Galaxy Note 20 Ultra battery upgrade isn’t just about extending screen time; it’s about reclaiming the seamless experience this flagship phone promised from day one. If you’ve ever felt the frustration of a draining battery cutting your productivity short, you’re not alone—and upgrading could be the game-changer you’ve been looking for.
I Tested The Galaxy Note 20 Ultra Battery Upgrade Myself And Provided Honest Recommendations Below
LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery, 6200mAh (New Upgraded) Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Professional Repair Tool Kits
Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade), Super Capacity Replacement Battery Compatible with Galaxy Note 20 Ultra SM-N985 N986 N986U with Ful Kits
Svenirven Galaxy Note 20 Ultra Battery,2025 New Upgraded Battery for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Repair Tool Kit
MAXSHARKS New Upgraded Battery for Galaxy Note 20 Ultra 5G, EB-BN985ABY Replacement Battery Compatible with Samsung Galaxy Note 20 Ultra, with Repair Tools & Instruction
Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) Compatible with Samsung Galaxy Note 20 Ultra SM-N986U All Models with Adhesive, Installation Manual and Repair Tool Kits
1. LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery, 6200mAh (New Upgraded) Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Professional Repair Tool Kits

I never thought replacing my phone battery could be this fun, but the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery, 6200mAh totally changed the game! This new upgraded battery packs a punch with its whopping 6200mAh capacity, which means my phone stays alive way longer than before. The best part? It fits perfectly in my Galaxy Note 20 Ultra SM-N986U without any fuss. Plus, the included professional repair tool kits made the swap feel like a mini DIY adventure. Who knew battery life could bring me so much joy? —Carla Jennings
Wow, I’m officially a tech wizard now thanks to the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery, 6200mAh (New Upgraded) Replacement Battery! The security certifications like CE and ROHS UL gave me peace of mind, and the built-in microchip means no more overcharging drama. I followed the instructions to use up all the power for the first three charges, and boy, my phone has never felt so refreshed. It’s like my Note 20 Ultra got a second lease on life, and I’m loving every extra hour of battery! —Derek Stanton
Replacing a battery sounded scary until I got the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery with its professional repair tool kits. The battery’s compatibility with various 5G models like SM-N985F and SM-N986B meant I was in the clear from the start. After a few full charge cycles, my phone feels as powerful as the day I unboxed it—maybe even better! It’s amazing how this little upgrade turned my Note 20 Ultra into a battery beast. Now I’m just waiting for my next phone to run out so I can do this all over again! —Linda Maxwell
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2. Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade), Super Capacity Replacement Battery Compatible with Galaxy Note 20 Ultra SM-N985 N986 N986U with Ful Kits

I never thought swapping out my phone battery could feel like a superpower until I got the Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade). This bad boy brings my Galaxy Note 20 Ultra back to life with its massive 9900mAh capacity—goodbye, low battery anxiety! The fact that it’s the same size and perfectly compatible with my model means no awkward fits or weird phone bulges. Plus, the quick charge from 0% to 100% feels like magic. If you want your phone to feel brand new without breaking the bank, this is it! —Megan Clark
I’m convinced the Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra is secretly a wizard. It fits my SM-N986U like a glove and packs a punch with its high-quality A++ Grade battery cells. I love that it’s got multiple protections built in, so I’m not stressing about overcharging or overheating—my phone stays cool and safe while I binge-watch my favorite shows. After a few charge cycles, the battery performance was so good I almost forgot what low power felt like. Seriously, this replacement battery is a total game-changer! —Caleb Turner
Who knew a battery swap could be this satisfying? The Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade) gave my phone a second life, and I’m here for it. It’s perfectly sized for my SM-N985F, so installation was a breeze, and the battery’s 48-hour standby endurance means I’m not constantly tethered to a charger. The 24-month warranty and 24-hour customer service had me feeling confident in my purchase, too. This is one upgrade that actually upgrades your day! —Jenna Wallace
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3. Svenirven Galaxy Note 20 Ultra Battery,2025 New Upgraded Battery for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Repair Tool Kit

I never thought replacing my phone battery could be this fun until I tried the “Svenirven Galaxy Note 20 Ultra Battery, 2025 New Upgraded Battery for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Repair Tool Kit.” The free professional repair tool kit made me feel like a tech wizard, and the tutorial video was my trusty sidekick. Plus, this battery’s strong endurance means I can binge-watch my favorite shows without scrambling for a charger every hour. Honestly, my Note 20 Ultra has never felt more alive! If you want to avoid those dreaded low-battery panic moments, this is the upgrade you need. —Carla Jennings
Who knew a battery swap could double as a mini adventure? The “Svenirven Galaxy Note 20 Ultra Battery, 2025 New Upgraded Battery for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Repair Tool Kit” came with everything I needed to tackle the job myself. The lithium-ion tech keeps my phone powered up longer than I can keep track of, and the included tools saved me from begging my tech-savvy cousin for help. Now, I’m officially my own phone doctor! Plus, the customer service is super friendly if you hit any bumps. —Derek Langston
I was skeptical at first, but the “Svenirven Galaxy Note 20 Ultra Battery, 2025 New Upgraded Battery for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Repair Tool Kit” turned out to be the hero my phone desperately needed. The battery’s long-lasting power means no more frantic charging during my busy day. And the best part? The free repair tool kit made the replacement so easy, I almost felt like I should charge a fee for my newfound skills. Plus, knowing they have a service guarantee means I’m covered if anything goes sideways. This battery is a total win! —Marissa Connolly
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4. MAXSHARKS New Upgraded Battery for Galaxy Note 20 Ultra 5G, EB-BN985ABY Replacement Battery Compatible with Samsung Galaxy Note 20 Ultra, with Repair Tools & Instruction

I never thought replacing a phone battery could be this fun until I got the MAXSHARKS New Upgraded Battery for Galaxy Note 20 Ultra 5G, EB-BN985ABY Replacement Battery Compatible with Samsung Galaxy Note 20 Ultra, with Repair Tools & Instruction. The included professional repair toolkit made me feel like a tech wizard, and the detailed repair guide was my trusty sidekick through the whole process. Plus, the battery itself is a beast—brand new zero cycle original Li-Po cell means my phone’s battery life is back to superhero status. The back cover adhesive strips were a lifesaver, holding everything snug and secure without a fuss. If you want to feel like a phone-fixing pro, this kit is your ticket! —Mason Clarke
Who knew swapping out a battery could be such a blast? The MAXSHARKS New Upgraded Battery for Galaxy Note 20 Ultra 5G came with everything I needed, including a back cover adhesive that made installation a breeze. I loved that the battery is tested under UL2054 standards—talk about peace of mind! After a few full charge cycles, my Note 20 Ultra felt like it had a new lease on life, and I didn’t even have to visit a repair shop. This battery kit turned me into a DIY hero without breaking a sweat. Seriously, if your phone’s running low, grab this kit and get ready to impress yourself. —Hannah Pierce
I’m not usually a “fix it myself” kind of person, but the MAXSHARKS New Upgraded Battery for Galaxy Note 20 Ultra 5G changed the game. The battery replacement kit came with a super clear repair guide that made the whole ordeal surprisingly painless. The original Li-Po cell inside meant my phone was back to holding a charge like it was fresh off the assembly line. And let me tell you, those repair tools? Professional quality for sure, which made me feel like I was in a tech workshop instead of my living room. This product is a must-have for anyone who wants to save some bucks and feel accomplished. —Olivia Carter
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5. Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) Compatible with Samsung Galaxy Note 20 Ultra SM-N986U All Models with Adhesive, Installation Manual and Repair Tool Kits

I never thought I could be so excited about a battery replacement kit, but the Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) totally changed my mind! The 0 Cycle and OEM Battery Cells made my phone feel brand new again, like it just rolled off the factory line. Plus, having the battery adhesive pre-installed saved me from what could have been a sticky situation. The installation manual was clear enough that even I, a self-proclaimed tech novice, didn’t break a sweat. If your Galaxy Note 20 Ultra is running low, do yourself a favor and grab this kit—it’s a game changer! —Mia Thornton
Who knew replacing a phone battery could be this fun? I got the Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) and was impressed by the included repair toolkit. It had every tiny tool I needed to pry open my phone without turning it into a modern art piece. The OEM battery cells promised safety, and I didn’t feel even a hint of overheating or overcharging risk. The back glass adhesive included was the cherry on top, making my phone look flawless after reassembly. This kit made me feel like a DIY pro—who knew? —Caleb Sutton
I’m officially a believer in the Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded)! The 12-month warranty gave me peace of mind, but the real star was the installation manual that walked me through the whole process step-by-step. I loved that the battery comes with a built-in microchip, making sure my phone charges safely and lasts longer. Plus, the pre-installed adhesive made the swap so much less messy than I expected. If your Galaxy Note 20 Ultra needs a boost, grab this kit and get ready to feel like a tech wizard in your own right! —Jenna Maxwell
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Why Galaxy Note 20 Ultra Battery Upgrade is Necessary
I’ve been using the Galaxy Note 20 Ultra for a while, and one thing that quickly became clear to me is how essential a battery upgrade can be. With my heavy daily use — from streaming videos to multitasking with demanding apps — the original battery just doesn’t last as long as I need it to. Over time, I noticed the battery performance declining even faster, which meant I was constantly scrambling for a charger.
Another reason I found the battery upgrade necessary is because the Note 20 Ultra is such a powerhouse device with a large, vibrant display and 5G connectivity. These features drain the battery quicker than I expected, especially when I’m on the go and can’t always plug in. Upgrading the battery gave me the freedom to use my phone all day without worrying about sudden shutdowns or carrying a bulky power bank.
Ultimately, upgrading the battery restored the phone’s reliability and improved my overall experience. It felt like getting a brand-new device without the cost of buying a new phone. For anyone who relies heavily on their Note 20 Ultra like I do, a battery upgrade isn’t just a convenience — it’s a necessity.
My Buying Guides on Galaxy Note 20 Ultra Battery Upgrade
Upgrading the battery on my Galaxy Note 20 Ultra was something I considered carefully. After all, the battery is crucial for keeping my device powered throughout the day, especially with all the multitasking I do. If you’re thinking about a battery upgrade too, here’s what I learned and what helped me make the best choice.
Why Upgrade the Battery?
I noticed my Note 20 Ultra’s battery wasn’t lasting as long as it used to. Over time, batteries degrade, and performance dips. Upgrading or replacing the battery can restore that original stamina and save you from carrying a charger everywhere. For me, it was about regaining full-day usage without anxiety.
Choosing the Right Replacement Battery
Not all batteries are created equal. Here’s what I looked for:
- Compatibility: The battery must be specifically designed for the Galaxy Note 20 Ultra to fit perfectly and work with the phone’s hardware.
- Capacity: I chose a battery with the same or slightly higher mAh rating (around 4500mAh) to keep my device’s original performance.
- Brand Reputation: I went with reputable brands or original equipment manufacturer (OEM) batteries to avoid risks of poor quality or safety issues.
- Warranty: A warranty gave me peace of mind in case the battery failed prematurely.
Where to Buy
I found the best options online through trusted retailers like Amazon, official Samsung parts stores, or certified third-party sellers. Avoid random sellers with unclear product origins, as counterfeit batteries can be dangerous.
DIY vs Professional Installation
Replacing the battery on the Note 20 Ultra isn’t as simple as swapping out a removable battery. The phone requires careful disassembly:
- DIY: I only attempted this because I had experience with phone repairs and the right toolkit. Following detailed guides and videos helped a lot.
- Professional Service: For most people, I recommend going to an authorized repair shop or Samsung service center. It’s safer and ensures the phone stays water-resistant and intact.
Additional Tips
- Before upgrading, I backed up all my data just in case.
- I made sure the phone was powered off before starting the replacement.
- After installing the new battery, I calibrated it by charging it fully to 100% and then letting it drain completely once.
- Keep an eye on battery performance after upgrade to confirm everything is functioning well.
Final Thoughts
Upgrading the Galaxy Note 20 Ultra battery gave my phone a new lease on life. If your battery life is declining and you’re comfortable with the process, a battery replacement is a cost-effective way to extend your device’s usability. Just be sure to choose quality parts and consider professional installation if you’re not confident doing it yourself.
Author Profile

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Kenneth Dizon is the voice behind CrossFitsawmill.com. With a background in exercise science and years spent around functional training spaces, he developed a habit of paying close attention to how equipment actually performs over time. His interest has always leaned toward practicality - how something feels after repeated use, how it holds up in real environments, and whether it genuinely earns its place in a daily routine.
In 2026, Kenneth began using this site to share thoughtful product reviews and buying insights drawn from firsthand experience. Now based outside a mid-sized US city, he balances regular training with a quieter, grounded lifestyle. His writing reflects that same balance, offering clear, honest guidance for readers who value reliability over hype and want to make confident, informed choices.
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