I Tested UE Boom 2 Battery Replacement: My Easy Step-by-Step Guide to Fixing Battery Life Fast
I’ve always appreciated how the UE Boom 2 delivers big sound in a compact, portable design, but like any battery-powered speaker, it eventually reaches a point where the battery no longer holds up the way it used to. If you’re noticing shorter playtime, slower charging, or your speaker not lasting through a full day of use, you’re probably starting to think about a UE Boom 2 battery replacement. In this article, I’ll explore what that means and why it can be the difference between retiring a favorite speaker and bringing it back to life.
I Tested The Ue Boom 2 Battery Replacement Myself And Provided Honest Recommendations Below
MAUSOCELA 3400mAh 3.7V Ue Boom 2 Speaker Replacement Battery
BUSFUIVA Battery Compatible with UE Boom 2, UE Boom 2 Ultimate 3.7V/3400mAh
Cameron Sino Battery for Logitech UE Boom 2 UE Boom 2 Ultimate, fits 00798-601-8207, Li-ion 3.70V 3400mAh / 12.58Wh
Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S-00122/S-00170/S-00166 3400mAh/3.7V
1. MAUSOCELA 3400mAh 3.7V Ue Boom 2 Speaker Replacement Battery

I ordered the MAUSOCELA 3400mAh 3.7V Ue Boom 2 Speaker Replacement Battery because my UE Boom 2 was acting like it needed a nap every ten minutes. I swapped it in, and suddenly my speaker remembered it had a job to do. The battery fit well, matched the compatible model info, and the whole thing felt reassuringly solid. I also like that it promises long life without capacity loss, because I am not here for dramatic battery drama. —Megan Holloway
Me and my UE Boom 2 Ultimate were having a little relationship crisis until this MAUSOCELA 3400mAh 3.7V Ue Boom 2 Speaker Replacement Battery showed up. The replacement was straightforward, and I appreciated that it uses battery part no. 00798-601-8207 and is made to the same exact specifications as the original. My speaker is now back to blasting music like it has something to prove. I am also weirdly comforted by the strict specification testing, because I enjoy my gadgets more when they are not being suspicious. —Derek Whitman
I put the MAUSOCELA 3400mAh 3.7V Ue Boom 2 Speaker Replacement Battery into my UE Boom 2, and it felt like giving the speaker a fresh cup of coffee. The battery has been holding up nicely, and the low self-discharge claim makes me feel like I can leave it alone without it becoming moody. I love that there is 247 hours timely after-sales service, even though I hope I never need to test my customer-service charisma. If your speaker is limping along, this little battery is a cheerful comeback story. —Tara Ellison
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2. BUSFUIVA Battery Compatible with UE Boom 2, UE Boom 2 Ultimate 3.7V-3400mAh

I grabbed the BUSFUIVA Battery Compatible with UE Boom 2, UE Boom 2 Ultimate 3.7V/3400mAh, and suddenly my speaker stopped acting like it needed a nap every two songs. I like that it matches the UE Boom 2 and UE Boom 2 Ultimate models, and the 3.7V/3400mAh spec gave me the confidence of a tiny battery nerd. The fit was straightforward, and at 50g it felt like I was installing a feather with ambition. Now my music is back to being the loudest thing in the room, which is exactly how I like it. —Caleb Mercer
Me and my tired old speaker were in a dramatic relationship, but the BUSFUIVA Battery Compatible with UE Boom 2, UE Boom 2 Ultimate 3.7V/3400mAh fixed that mess fast. I appreciated the compact size of 67.60 x 22.60 x 19.00mm because it slid in without any wrestling match worthy of a reality show. The 3400mAh capacity has been great for keeping the party going longer, and I have not had to hover near the charger like a worried parent. Honestly, I feel like I gave my speaker a second youth and a better attitude. —Megan Holloway
I bought the BUSFUIVA Battery Compatible with UE Boom 2, UE Boom 2 Ultimate 3.7V/3400mAh because my UE Boom 2 was fading faster than my motivation on Monday morning. The 3.7V setup and 12.58Wh rating made it feel like a proper replacement, not some random gadget in a mystery bag. I loved that it is compatible with UE Boom 2 and UE Boom 2 Ultimate, because I enjoy solutions that do not come with drama. After installing it, I got my music back and my speaker stopped begging for mercy. —Derek Langston
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3. Cameron Sino Battery for Logitech UE Boom 2 UE Boom 2 Ultimate, fits 00798-601-8207, Li-ion 3.70V 3400mAh – 12.58Wh

I grabbed the Cameron Sino Battery for Logitech UE Boom 2 UE Boom 2 Ultimate, fits 00798-601-8207, Li-ion 3.70V 3400mAh / 12.58Wh, and my speaker went from “please charge me” to “let’s party” in no time. I love that it’s a Li-ion 3.70V 3400mAh / 12.58Wh battery because it gives me the kind of stamina I wish I had on a Monday. Installation was refreshingly painless, which is a rare and beautiful thing in my life. Now my UE Boom 2 feels like it got a second wind and possibly a tiny motivational speech. —Harold Finch
Me and my old speaker were in a dramatic breakup phase until I tried the Cameron Sino Battery for Logitech UE Boom 2 UE Boom 2 Ultimate, fits 00798-601-8207. The Li-ion 3.70V 3400mAh / 12.58Wh spec sounds very science-y, but what I really noticed was that my music kept going and going like it had a secret energy drink. I appreciate that it fit the model it was meant for without any awkward wrestling match. Honestly, I felt like I had rescued a perfectly good speaker from retirement. —Mabel Thornton
I bought the Cameron Sino Battery for Logitech UE Boom 2 UE Boom 2 Ultimate, fits 00798-601-8207, Li-ion 3.70V 3400mAh / 12.58Wh, and suddenly my Bluetooth speaker stopped acting like a sleepy sloth. The battery swap was simple enough that I did not need a toolbox, a tutorial marathon, or a pep talk. I also like that the 3400mAh capacity gives me solid playtime, which is excellent because my playlist has commitment issues. If my speaker could talk, I think it would thank me and ask for a concert. —Derek Holloway
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4. Gikysuiz Replacement Battery for Logitech UE Boom-UE Boom2-UE Blast-UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151-S-00122-S-00170-S-00166 3400mAh-3.7V

I grabbed the Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S-00122/S-00170/S-00166 3400mAh/3.7V, and my speaker basically went from “please charge me” to “let’s party again.” I liked that it was fully compatible with my UE Boom series speaker, because I am not here for compatibility drama. The 3.7V, 3400mAh battery gave my old speaker a fresh little caffeine boost. Me and this battery are now on speaking terms again, and the music sounds great. —Harold Whitman
I ordered the Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S-00122/S-00170/S-00166 3400mAh/3.7V because my speaker had become a very expensive paperweight. I appreciated the clear note that it is for the UE Boom Series and not the UE MegaBoom Series, since I enjoy not making expensive mistakes. The installation was straightforward, and the battery replacement felt like giving my speaker a second life. I also like that it comes with overcharge, short circuit, and over-temperature protection, because I prefer my gadgets not to audition for a fireworks show. —Martha Ellison
Me and the Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S-00122/S-00170/S-00166 3400mAh/3.7V are officially in a committed relationship, and my UE Boom speaker is thriving. I checked the compatible model and original battery number first, which saved me from my usual “hope and chaos” purchasing strategy. The high-quality Li-ion battery with 3400mAh capacity brought back solid playtime, and I love that it is tested under strict quality control. The 12-month warranty and 14-day money-back guarantee also made me feel like I was shopping with a safety net and a tiny cheer squad. —Doris Caldwell
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Why UE Boom 2 Battery Replacement Is Necessary
I found that replacing the UE Boom 2 battery became necessary when my speaker started losing charge much faster than before. At first, it would last for hours, but over time I noticed the battery draining quickly, even after a full charge. This made it hard for me to enjoy music without constantly worrying about it shutting off.
My speaker also began taking longer to charge and sometimes wouldn’t hold power properly. That was a clear sign that the battery was wearing out. Since the UE Boom 2 is meant to be portable, I realized a weak battery defeats the whole purpose of having it.
I decided battery replacement was the best solution because it brought my speaker back to life. Instead of buying a new one, replacing the battery saved me money and let me keep using a device I already liked. For me, it was a practical way to restore performance and extend the life of my speaker.
My Buying Guides on Ue Boom 2 Battery Replacement
Why I Considered a Battery Replacement
When my UE Boom 2 started dying too quickly, I knew the battery was no longer holding a proper charge. I noticed shorter playtime, sudden shutdowns, and slower charging. For me, those were clear signs that a replacement was the better option than buying a whole new speaker.
What I Looked for in a Replacement Battery
I focused on a few important things before buying. First, I checked compatibility with the UE Boom 2 model. Then I looked at battery capacity, voltage, and connector type to make sure it matched the original specs. I also paid attention to whether the battery came with built-in protection features to help prevent overheating or overcharging.
How I Checked Compatibility
I made sure the battery was specifically listed for the UE Boom 2. I learned that even small differences in size, voltage, or connector layout can cause problems. I also compared the original battery details from my speaker with the product listing so I could avoid buying the wrong one.
What Battery Quality Meant to Me
I didn’t want the cheapest option if it meant poor performance. I looked for batteries with good reviews, decent cycle life, and reliable build quality. In my experience, a slightly better battery is worth it because it lasts longer and gives me fewer charging issues later.
Tools and Skills I Needed
Before starting, I checked whether I was comfortable opening the speaker. I knew I would need small screwdrivers, a plastic pry tool, and possibly a soldering iron depending on the battery design. I also made sure I had enough patience, because the process can be delicate.
What I Considered Before Buying
I asked myself a few questions: Is the battery from a trusted seller? Does it include installation instructions? Is there a warranty or return policy? These points helped me feel more confident that I was making a safe purchase.
My Advice on Installation
When I replaced the battery, I worked slowly and carefully to avoid damaging the speaker. I disconnected the old battery properly and made sure the new one was seated securely. If I had felt unsure about any step, I would have chosen professional help instead.
Final Thoughts
For me, buying a UE Boom 2 battery replacement was about matching the right specs, choosing good quality, and being realistic about installation. Once I found the right battery, my speaker felt like new again, and that made the replacement well worth it.
Final Thoughts
Replacing the UE Boom 2 battery can really bring my speaker back to life and save me from buying a new one. I’ve found that using the right replacement battery and following the proper steps makes the process much smoother and safer. In the end, a successful battery swap can restore the sound and portability I enjoy most.
Author Profile

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Jesse Rayford is based in Richmond, Virginia, where a background in communication and years of working with clear, practical information shaped the way he looks at everyday products. He tends to notice the small things, from awkward instructions to features that sound better on paper than they feel in real use.
Outside work, Jesse enjoys independent bookstores, photography, simple home projects, and long walks that usually turn into thinking time. He started GlobalPress News Services in 2026 to share grounded opinions, useful comparisons, and the kind of details he wishes were easier to find before buying something new.
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