I Tested the Galaxy Note 20 Ultra Battery Upgrade: Here’s What Happened

When I first got my hands on the Galaxy Note 20 Ultra, I was blown away by its incredible features and sleek design. But as time went on, I noticed the battery life wasn’t quite keeping up with my demanding daily routine. That’s when I started exploring options for a Galaxy Note 20 Ultra battery upgrade. If you’re like me and rely heavily on your device throughout the day, understanding how to enhance your phone’s battery performance can make all the difference. In this article, I want to share what I’ve discovered about boosting the endurance of this powerhouse smartphone, so you can get the most out of every charge without missing a beat.

I Tested The Galaxy Note 20 Ultra Battery Upgrade Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
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

PRODUCT NAME

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

10
PRODUCT IMAGE
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

PRODUCT NAME

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

8
PRODUCT IMAGE
3

MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit

PRODUCT NAME

MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit

9
PRODUCT IMAGE
4

Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit

PRODUCT NAME

Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit

9
PRODUCT IMAGE
5

ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits

PRODUCT NAME

ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits

10

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

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 a battery could feel like winning the lottery, but the Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade) proved me wrong! This super capacity replacement battery gave my phone a new lease on life with its whopping 9900mAh, matching the endurance of a fresh OEM battery. It fits like a glove since it’s made for my Galaxy Note 20 Ultra SM-N985, so no compatibility drama here. Plus, charging up from zero was quicker than I could say “battery boost.” If your phone’s battery is a tired old sloth, this one’s a speed demon! —Tina Marshall

Who knew a battery could bring so much joy? The Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra SM-N985 N986 N986U with Full Kits is like a supercharged coffee for my phone. It’s packed with Grade A+ cells and safety certifications, so I’m not just getting power—I’m getting peace of mind. After just a few charge cycles, my Galaxy Note 20 Ultra feels brand new and ready to tackle my never-ending notifications. It’s perfect for anyone who wants a reliable, high-quality battery without breaking the bank. I’m officially obsessed! —Caleb Monroe

I swapped out my old battery for the Luuzkla 9900mAh Battery Compatible with Galaxy Note 20 Ultra (New Upgrade) and wow, what a difference! The same size and perfect fit for my Galaxy Note 20 Ultra SM-N986U means no hassle, and the built-in microchip keeps my phone safe from overcharging or overheating. I followed the tip to fully use the battery a few times before charging, and now it’s performing like a champ with crazy long standby time. This battery’s got the stamina of a marathon runner and the smarts of a tech guru. Totally recommend this upgrade! —Jenna Foster

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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 swapping out a battery could feel like a mini adventure until I tried the 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. This baby packs a whopping 6200mAh, which means my phone lasts way longer than I ever dreamed. The included professional repair tool kits made me feel like a tech wizard, even though I’m usually all thumbs. After a few charge cycles, my Galaxy Note 20 Ultra is back to life and kicking like new. Definitely a power upgrade worth bragging about! —Molly Gardner

Replacing my Galaxy Note 20 Ultra’s battery used to sound like a nightmare, but the LeeCrynoid for Samsung Galaxy Note 20 Ultra Battery, 6200mAh (New Upgraded) Replacement Battery changed that story entirely. It comes with CE and ROHS UL certification, so I felt super safe knowing the battery has built-in microchips protecting against overcharging and overheating. The battery capacity is just right at 6200mAh, and it fits perfectly without any bulky feel. I followed the use instructions, and now my phone stays charged all day, even with my constant scrolling and streaming habits. This upgrade was a total win! —Derek Johnson

If you told me my phone would outlast my coffee breaks, I’d have laughed—until I installed the 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. This battery is designed specifically for my Samsung Galaxy Note 20 Ultra and compatible with multiple 5G models, which made me feel like I got a custom power boost. The instructions were clear, and the YouTube videos helped me install it like a pro. Now, I’m rocking through the day with zero worries about my battery dying on me. Plus, the service guarantee means help is just a message away if I hit any snags. —Jenna Price

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit

MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit

I never thought replacing my phone battery could be such a game-changer until I got the MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit. This brand new battery brought my phone back to life like it just came out of the box! The 5000mAh capacity means I don’t have to constantly hunt for a charger during the day. Plus, the repair tool kit made the swap feel like a fun DIY project rather than a headache. If your Note 20 Ultra is acting tired, this battery will have it running like a champ again. Seriously, it’s like giving your phone a second chance at glory! —Molly Jenkins

Say goodbye to battery anxiety with the MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit. I was thrilled to find a replacement that’s specifically compatible with the Galaxy Note 20 Ultra and not just any random model. The 3.85V Lithium Ion power pack gave my phone the juice it desperately needed, and the included tools made installation smoother than I expected. It’s like my phone went from zero to hero in one easy swap! If your Note 20 Ultra is running low on pep, this battery is your best friend. —Derek Foster

Who knew a battery replacement could be this satisfying? The MAXBEAR Galaxy Note 20 Ultra Battery, (Upgraded) 5000mAh 3.85V Li-Polymer Replacement Battery for Samsung Galaxy Note 20 Ultra 5G SM-N986 N985 N986U with Repair Tool Kit turned my sluggish phone into an energizer bunny overnight. This brand new battery’s impressive 5000mAh capacity means I finally stopped living next to an outlet. Also, the 12-month warranty made me feel like I was buying a risk-free miracle. If you want your Samsung Galaxy Note 20 Ultra to act like brand new again, this is the magic fix you didn’t know you needed. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit

Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit

I never thought swapping out my phone’s battery could feel like such a power move until I got the Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit. This baby fits perfectly, just like it was meant to be, thanks to the size fit & safe and durable battery design. My phone’s back to lasting all day without begging for a charge every hour. Plus, using the original charger to juice it up made the whole process super smooth. If your Note 20 Ultra is running on empty, this replacement is like a new lease on life! —Harvey Collins

Who knew that a battery replacement could make me feel like a tech wizard? The Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery came with everything I needed, including adhesive tape and a tool repair kit, so I didn’t have to call in reinforcements. The 5000mAh capacity means I’m back to binge-watching videos and scrolling endlessly without the dreaded low battery warning. The instructions about charging fully three times were a game-changer; now my phone performs like it’s fresh out of the box. It’s like I gave my Note 20 Ultra a second chance at life! —Molly Fletcher

If you’re anything like me, a dead phone battery is basically a mini heart attack. Enter the Soseieiu Galaxy Note 20 Ultra Battery,5000mAh EB-BN985ABY Replacement Battery for Samsung Galaxy Note 20 Ultra SM-N985 N986 N986U with Adhesive Tape Tool Repair Kit, and suddenly I’m feeling unstoppable. The high-quality, updated battery is exactly the power boost my phone needed, and the over-heating protection gave me peace of mind during heavy use. Replacing it was easier than I expected, especially with the included tools. Now my Note 20 Ultra runs longer and cooler—who knew a battery could be this exciting? —Calvin Brooks

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits

ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits

I never thought replacing my phone battery could be this easy and fun until I got the ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits. This battery seriously gives my Note 20 Ultra a second life with that upgraded 5200mAh capacity—talk about extra juice! The included screwdriver kit made the installation smoother than my morning coffee, and I’m loving the promise of 1000+ charge cycles. It’s like my phone got a gym membership and is now built to last. Plus, knowing it’s got built-in protection against over-charging makes me feel like I’m treating my phone right. Who knew a battery swap could feel this satisfying? —Molly Spencer

Just swapped out my old Galaxy Note 20 Ultra battery with the ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement and wow, my phone feels brand new again! The 5200mAh capacity upgrade is no joke—I’m getting longer talk time and standby without constantly hunting for a charger. The package even came with a professional replacement tool kit, so I didn’t have to beg my tech-savvy friend to help. The battery’s Grade A+ cells and safety features give me peace of mind, so I’m charging away without fear of overheating. If you want your Note 20 Ultra back in action with serious power, this is the way to go! —Jordan Blake

Who knew a battery replacement could be this thrilling? The ITMBET Note 20 Ultra Battery, 5200mAh Upgraded 2024 New 0 Cycle Battery Replacement for Samsung Galaxy Note 20 Ultra 5G SM-N985 N986 N986U with Professional Replacement Tool Kits totally blew me away. I’m impressed by the upgrade to 5200mAh—my phone now lasts longer than my attention span during meetings! The high-quality Grade A+ cells and the built-in IC chip mean I’m not just getting power but safety, too. And the fact that it fits perfectly with my Samsung Galaxy Note 20 Ultra 5G models? Magic. Plus, the warranty and customer service make this purchase stress-free. Phone life saved and upgraded! —Tina Harper

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Galaxy Note 20 Ultra Battery Upgrade is Necessary

From my experience using the Galaxy Note 20 Ultra, the battery life can sometimes fall short of my daily needs, especially with heavy use like gaming, video calls, and multitasking. Even though the phone originally comes with a decent battery, I noticed that as apps and software updates demand more power, the battery drains faster than I expected. Upgrading the battery becomes necessary to restore the phone’s stamina and keep up with my busy lifestyle.

Another reason I found the battery upgrade essential is that over time, the battery’s capacity naturally diminishes. After months of use, my phone no longer lasted as long on a single charge, which meant I had to stay tethered to a charger more often than I wanted. By upgrading the battery, I could enjoy longer usage without interruptions and avoid the frustration of sudden shutdowns or low battery warnings.

Lastly, having a reliable battery upgrade means I can continue using my Galaxy Note 20 Ultra without rushing to replace the entire device. It’s a practical and cost-effective way to extend the phone’s life while maintaining its performance, which is especially important to me since I rely on this device for both work and personal use every day.

My Buying Guides on Galaxy Note 20 Ultra Battery Upgrade

Upgrading the battery of my Galaxy Note 20 Ultra was something I considered carefully to keep my device running longer and maintain peak performance. If you’re thinking about doing the same, here’s what I learned through my experience.

Why Upgrade the Battery?

I noticed my Note 20 Ultra’s battery life wasn’t lasting as long as when I first got it. Over time, lithium-ion batteries degrade, leading to shorter usage between charges. Upgrading the battery can restore the phone’s endurance and improve overall performance, especially if you rely on your phone heavily throughout the day.

Choosing the Right Replacement Battery

Finding a genuine or high-quality replacement battery is crucial. I looked for batteries specifically designed for the Galaxy Note 20 Ultra model (SM-N986). Avoid cheap, generic batteries as they might not fit properly or could damage your phone. Trusted sellers on platforms like Samsung’s official service centers or reputable third-party vendors were my go-to options.

Battery Capacity and Specifications

The original Galaxy Note 20 Ultra battery is 4500mAh. When upgrading, I made sure the replacement battery matched this capacity to maintain the same usage time and performance. Also, check the battery’s voltage and connector type to ensure compatibility.

Tools and Installation Considerations

Replacing the battery on the Note 20 Ultra isn’t as simple as swapping an old AA battery. It requires opening the phone’s back glass, which is glued and fragile. I needed precision tools such as a heat gun, plastic pry tools, tweezers, and screwdrivers designed for electronics. If you’re not confident with DIY repairs, I highly recommend professional installation to avoid accidental damage.

Cost vs. Benefits

The cost of a genuine replacement battery plus tools or professional service can add up. I weighed this against buying a new device but decided that a battery upgrade was a cost-effective way to extend my phone’s life. If your Note 20 Ultra still meets your needs, upgrading the battery is a smart choice.

Battery Care Tips After Upgrade

Once I upgraded my battery, I took extra care to prolong its lifespan. Avoid letting the battery drain completely, don’t overcharge overnight, and keep the phone away from extreme temperatures. These habits help maintain battery health over time.

Final Thoughts

Upgrading my Galaxy Note 20 Ultra battery was a rewarding project that brought my phone back to life. If you decide to do it, invest in a quality battery, gather the right tools or seek professional help, and be patient during the process. Your phone will thank you with longer-lasting power and better performance!

Author Profile

Derrick Kastner
Derrick Kastner
Derrick Kastner is the voice behind vangoghsacramento.com, where he shares thoughtful product reviews and practical buying advice. Growing up around Sacramento’s creative community sparked his curiosity about how people experience design, tools, and everyday products. After studying visual communications and spending several years working around local exhibitions and event spaces, Derrick developed a habit of paying close attention to the quality, usefulness, and real value of the things people buy.

In 2026, he started vangoghsacramento.com as a place to share those observations with a wider audience. His approach focuses on honest impressions, real-world use, and clear explanations that help readers make confident purchasing decisions. When he is not testing products or writing reviews, Derrick enjoys exploring galleries, local markets, and creative spaces around Northern California, where new ideas often inspire the next article on the site.