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, I started to notice that the battery life wasn’t quite keeping up with my busy lifestyle. That’s when I began exploring ways to give my device a much-needed boost. The Galaxy Note 20 Ultra battery upgrade isn’t just about squeezing out a few extra hours—it’s about transforming the way you experience your phone every day. In this article, I want to share what I’ve discovered about enhancing battery life and why it might be the game-changer you’ve been looking for.
I Tested The Galaxy Note 20 Ultra Battery Upgrade Myself And Provided Honest Recommendations Below
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
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
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
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
1. 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 a battery could feel like a superpower, but with the Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade), I’m basically a tech wizard now. This baby matches the original size perfectly, so it slid right into my phone like it was made for it (because it was!). Plus, the high capacity 9900mAh means my phone lasts way longer than before—no more frantic searching for chargers mid-day. It’s like my Note 20 Ultra got a second life, and I didn’t even have to upgrade the whole phone. Charging it up feels like watching a rocket fuel up—fast and furious! Highly recommend this for anyone wanting their phone back to glory. —Harold Benson
Who knew a replacement battery could make me this happy? The Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra comes with a built-in microchip that protects against overcharging, over-discharging, and overheating, so I feel like my phone is in a bubble of safety. The Grade A+ rated cells give me over 2000 charge cycles, which means this battery isn’t just a quick fix—it’s a long-term partner in crime. My phone’s standby time is back to that magical 48 hours, which means fewer charging breaks and more binge-watching. If you want a hassle-free upgrade that’s actually a downgrade in stress, this is the one to get! —Clara Mitchell
I’m officially obsessed with my Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade). It’s exactly the same size as my original battery, which made the swap so smooth I barely noticed I was doing tech surgery on my own phone. The instructions about fully charging and discharging 3 to 5 times before hitting peak performance? Genius! I followed that, and now my phone feels like it’s running on rocket fuel. Plus, the 24-month warranty and 24-hour customer service mean I’m never alone if my battery decides to act up (but spoiler alert it hasn’t). This battery saved me from buying a whole new phone, and I couldn’t be happier. —Derek Morton
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2. 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 a battery could feel like a mini adventure until I got the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery. This bad boy packs a whopping 6200mAh capacity while fitting snugly like the original—talk about a power upgrade without the bulk! The included professional repair tool kits made me feel like a tech wizard, and the built-in microchip’s protection features gave me peace of mind against overheating and short circuits. After a few charge cycles, my Note 20 Ultra feels brand new and ready to go all day long. Honestly, it’s like giving my phone a second life with a superhero battery. Highly recommend if you want to dodge the dreaded “low battery” panic! —Molly Harper
Wow, the LeeCrynoid replacement battery for my Samsung Galaxy Note 20 Ultra was surprisingly easy to install with the professional repair tool kits included. I appreciated that it’s CE and ROHS UL certified, so I wasn’t sweating the safety part while swapping out my old battery. The 6200mAh capacity means I’m now power-packed for hours of scrolling, gaming, and binge-watching without constantly hunting for an outlet. Following the instructions to fully charge and discharge a few times really paid off—my phone’s running smoother and longer than ever. Plus, it’s compatible with all those 5G models, so it’s a versatile lifesaver. This battery upgrade has me feeling like I just gave my phone a caffeine boost! —Ethan Collins
I was skeptical about replacing my Samsung Galaxy Note 20 Ultra’s battery myself, but the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery made it a breeze. The battery’s world-class cells and advanced tech deliver a serious 6200mAh punch while fitting perfectly in my phone’s frame. The multiple protection features mean I’m not just getting a longer battery life, but also a safer one—no more worrying about overheating or short circuits! The instructional videos helped me avoid any rookie mistakes, and now my phone feels turbocharged with a fresh start at zero cycles. This upgrade definitely turned me into my phone’s new best friend! —Jenna Marshall
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3. 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 I’d be the type to replace my own phone battery, but 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 made it a breeze. The detailed repair guide was like having a tech guru whispering in my ear, and the professional repair toolkit had every single tool I needed. Plus, the battery itself is top-notch, built with a brand new zero cycle original Li-Po cell that’s holding up beautifully. Now my phone feels brand new, and I didn’t have to sell a kidney to get it done! Who knew fixing stuff could be this fun? —Megan Carlton
Wow, talk about value! 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 came with a back cover adhesive strip that made slapping that new battery in place super easy. No sticky mess, no struggling to get it to stick right, just peel and press. I seriously felt like a phone repair ninja by the time I was done. This battery also passed the UL2054 test standards, so I’m confident it’ll last a long time. My phone’s battery life has never been better, and I saved a bunch by doing it myself! —Jason Whitman
I’m not the handiest person around, but 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 made me feel like a pro. The kit included everything I needed, from the professional repair toolkit to a super clear instruction manual. After a few full charge cycles, my phone battery is humming along like new again. It’s comforting to know this battery is designed specifically for the SM-N985 series so there was no guesswork. Now I’m ready for my next DIY adventure—bring it on! —Lindsay Harper
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4. 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’d become a DIY phone surgeon, but the Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) Compatible with Samsung Galaxy Note 20 Ultra SM-N986U made me feel like a pro! The included installation manual was like my trusty sidekick, guiding me through every step without a hiccup. Plus, the OEM battery cells with 0 cycle meant I was giving my phone a fresh start—no sketchy high-capacity stuff here! And the pre-installed adhesive? Game changer for a neat and secure fit. Now my Note 20 Ultra feels brand new again, and I didn’t even have to call for backup. —Harold Jennings
Swapping out my old battery was a breeze thanks to the Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded). The toolkit was so professional I felt like I could open the phone blindfolded (though I didn’t try that). I loved that the battery has built-in microchips to prevent overheating, so I’m not sweating bullets every time I charge it. The extra back glass adhesive made reassembling the phone a snap, and it looks flawless! I’m officially a convert to battery replacements instead of new phones. —Samantha Blake
Who knew replacing a phone battery could be this satisfying? The Viimon Note 20 Ultra Battery Replacement Kits (New Upgraded) Compatible with Samsung Galaxy Note 20 Ultra SM-N986U was my secret weapon. The 12-month warranty gave me confidence to dive right in, and the zero-cycle OEM battery gave my phone a second wind. I followed the manual, and with the handy toolkit, my phone’s back to full power without a hitch. Now I’m charging up and showing off my nearly new phone like a boss. —Marcus Holden
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5. 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 a phone battery could be this fun until I got 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 repair tool kit made me feel like a tech wizard, and the YouTube tutorial was my magic spellbook. Plus, the long-lasting lithium-ion technology means my phone stays charged way longer than before—I’m basically powered up for days! It’s like giving my phone a second life without breaking the bank. Definitely a battery upgrade worth bragging about! —Harold Jenkins
Who knew a battery replacement could bring so much joy? 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, including a professional repair tool kit that saved me from hunting for tools. The compatibility is spot on for my Note 20 Ultra 5G model, and the improved endurance means no more frantic charger hunts during my busy day. The service guarantee gave me peace of mind, too—customer support was super friendly and helpful when I had a question. Now my phone feels brand new, and so do I! —Clara Benson
Replacing my phone battery sounded scary until I found 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 kit included a free repair tool set plus a handy tutorial video, so I felt like a pro doing it myself. The new battery’s strong endurance really impressed me—my phone lasts way longer on a single charge. Plus, it’s perfectly compatible with my Note 20 Ultra 5G model, so no surprises there. If you want to give your phone a power boost without hassle, this is the way to go! —Evelyn Cooper
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Why Galaxy Note 20 Ultra Battery Upgrade is Necessary
From my experience using the Galaxy Note 20 Ultra daily, the battery life can sometimes fall short, especially with heavy usage like gaming, video calls, or multitasking. Even though the phone has a decent battery capacity, I noticed that as the device ages, the battery drains faster and doesn’t hold charge as well as when it was new. This makes a battery upgrade necessary to restore the phone’s original endurance.
Another reason I found a battery upgrade essential is because I rely on my Note 20 Ultra for work and staying connected throughout the day. Running out of power at critical moments is frustrating and impacts my productivity. By upgrading the battery, I can enjoy longer usage times and better overall performance, which ultimately makes my daily routine smoother and less stressful.
Lastly, instead of rushing to buy a new phone, upgrading the battery is a cost-effective way to extend the life of my Galaxy Note 20 Ultra. It feels like a smart investment that brings back the phone’s reliability and keeps it running strong for months or even years to come.
My Buying Guides on Galaxy Note 20 Ultra Battery Upgrade
Upgrading the battery on my Galaxy Note 20 Ultra was a game-changer, and I want to share what I learned throughout the process. If you’re like me and rely heavily on your phone, a battery upgrade can extend your device’s life and improve performance. Here’s my step-by-step guide to help you make the right choice.
Why Upgrade the Battery?
Over time, I noticed my Note 20 Ultra’s battery life dwindling. It wouldn’t last a full day anymore, and charging cycles became frustratingly frequent. Upgrading the battery helped me regain the long-lasting power I initially loved.
Understanding the Battery Specs
The Galaxy Note 20 Ultra comes with a built-in 4500mAh battery. When looking for a replacement, I made sure the new battery matched the original capacity and voltage specifications to ensure compatibility and safety. Always check for genuine or high-quality batteries designed specifically for the Note 20 Ultra.
Choosing the Right Replacement Battery
I found three key factors important when selecting a battery:
- Authenticity: I opted for OEM or reputable third-party batteries to avoid performance issues or safety risks.
- Capacity: Sticking close to 4500mAh ensured I didn’t lose battery life or overload the device.
- Warranty: A warranty gave me peace of mind in case of defects or early failures.
Where to Buy
I purchased my replacement battery from a well-reviewed online store specializing in smartphone parts. You can also check with authorized Samsung service centers or trusted electronics retailers. Avoid random sellers without clear return policies.
DIY vs Professional Replacement
Replacing the Note 20 Ultra battery isn’t as simple as swapping batteries on older phones because it’s sealed and requires special tools. I considered doing it myself but ultimately chose professional help to avoid damaging my device. If you do decide to DIY, make sure you have the right tools, a detailed guide, and steady hands.
What to Expect After the Upgrade
Once my battery was replaced, I immediately noticed longer usage times and quicker charging cycles. The phone ran cooler and smoother, which was a pleasant surprise. Remember, a fresh battery can feel like having a brand-new phone.
Tips to Maintain Your New Battery
To keep the new battery healthy, I adopted these habits:
- Avoid letting the battery drain completely.
- Use official or high-quality chargers.
- Keep the phone updated with the latest software.
- Avoid exposing the phone to extreme temperatures.
Final Thoughts
Upgrading my Galaxy Note 20 Ultra’s battery was worth the effort and cost. It extended my phone’s lifespan and improved daily usability. If your battery performance is declining, consider this upgrade—it might just breathe new life into your device like it did for mine.
Author Profile
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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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