Sennheiser Momentum 2.0 Wireless Battery Replacement
ฝัง
- เผยแพร่เมื่อ 10 ก.ค. 2024
- I replaced the battery of my Sennheiser Momentum 2 0 Wireless Bluetooth headphone battery and then noticed a massive lack of tutorials on the subject, so I made my own.
The battery removed contained the following information:
Front side:
+AHB62254 0N1
5A26132-0239
2.3wh
Backside:
AHB622 54 OPCT-02
3.7v 600mAh
11CP 7/25/40 SYNERGY
the 7/25/40 seem to be dimensions as the battery is 7mm thick 24mm wide and 38mm long.
The replacement seems to be s.click.aliexpress.com/e/_AUQDy6 at least the description and measurements are the exact same. - วิทยาศาสตร์และเทคโนโลยี
FYI if your looking for a fix for the batteries M3 the model number is AHB702535PCT-01 for the battery ! I made the mistake of buying another battery and trying to solder it. Same price same model same shape its pretty much OEM !
I like my M3's but looking at the new models and all the neat choices of headphones now its pretty overwhelming to go back.
Fixed my Momentum 2.0s today thanks to this video! You're a hero!
Thank you so much dude, following your guide I found that the black cable on my battery got disconnected somehow so I re-soldered it onto my original battery. It also solved that annoying rattling sound when the headset moves.
This also helps solve the common issue of something rattling in the headphones when moving. It's caused by the battery coming loose from the tape. All you need to do is replace the tape.
This was driving me crazy and I even got the headphones replaced and it happened again and I just happened to open it 2 nights ago to see the battery hanging loose so I pushed it back in and it stuck so we shall see how long it stays lol. If it happens again I will replace the tape.
Had this problem before, drove me nuts
@@nigeljacques yeah it's so annoying. How did it work out?
Thank you so much, this problem just came up and I will try to fix!
@@DrMlean glad to help. It's a pain, but easy to solve. Great headphones though!
Great vid. Headphones fixed! Took about 15 minutes!!!!
Great tutorial, worked perfectly - Thanks!
wow thank you so much man! you are so helpful :)
Hey man, thank you for the clear explanation and directions. I bought a used Momentum and found out the battery was dead, now I have a way to make it functional again. Cheers for the DIY spirit.
Hi where did you get the battery? Apparently they don't make them anymore.
@@rowanrobinson5959 hi, I ordered it from china, from Aliexpress, when I posted the comment, but it was right when the pandemia started, I still haven't recieved it in my mailbox :(
@@felipedonadon7039 sorry to hear that :(
@@rowanrobinson5959 it's alright, hope's the last one to die, I guess... Btw, in case you find a supplier from somewhere else please tell me! And how are you liking your Senn's up to now?
Thank you! I was able to buy a new battery on eBay and fix my Momentum 2.0/ HD-1 today with you video.
I replaced with a 900mah li-ion and a huawei phone battery bms (mine was dead), the battery percentage is not as accurate, but it gets the job done. works great.
Well done.
Thank you for this.
Do you have a video for foxing the bluetooth issue?
Several months ago my water bottle leaked in my backpack and entred into the headphone. It was working after cleaning and letting it dry but it sure got to more important parts and damaged the bluetooth.
Thanks in advance
Thanks for the great tutorial. I had the same issues with this product however it worked for a long time I think I will rather do it myself than paying 126.00 GBP to Sennheiser UK.... rip off
Good helpful review, mostly. I had been hoping the momentum 2 wireless would be the same procedure for my momentum 3 wireless headphones. Unfortunately the four screws sennheiser used on the M3 are difficult to figure out, could be torx or torx plus, they are very small, cant identify the screw head even with a magnifying glass. I've got the battery, cant open the earphone! Anyone seen this before?
One of the speakers (right one) stopped working, I think one of the wires has a bad contact. Do you have a video or diagram explaining the board or how to fix such problem?
I am wondering if disassembly can help with removing proprietary lock on 2.5mm audio jack.
Thank you for the great video! I own the Momentum 3 and wonder if it uses the same or similar type of battery, and where would I be able to purchase it? Thanks again!
LOSONCOER 1000mAh Headset Batterie Für Sennheiser Dynamik 3 Drahtlose M3 Drahtlose M3AEBT DYNAMIK Wahre Wireless AHB702535PCT-01
I have pxc 550 headphones , they were working fine, place them on the charger. Picked back up for use now they don't work. They seem unresponsive. Plug them back onto charger and the battery indicators says full. Turn them on and off with no hole mode button and nothing at all. Any ideas ?
has one1 tried fitting a battery for the M.3 in the M.2 headphones, size wise sould be fine, 3mm thicker but other then that good ?
Adding to my earlier comment on Sennheiser Momentum 3 battery replacement. The 4 screws you need to unscrew can be done with a Torx Plus 6 IP screwdriver. I figured out the screw type, and found 3 Torx Plus screwdrivers on a well known auction site, the 6 IP just happened to fit the screws.
hi @oscarrox My M3 don't have any screws at all, did you have stickers or something? or did you pop the driver out of the centre first?
@@w1ldfl0w3r Hi, like in the video at 0:56, after taking off the earpad, there is an oval (black plastic) plate with the driver fixed onto it, there are 4 screws (torx plus) on the plate you need to unscrew, then you can tip out the plate (like in the video at 1:05) and change the battery, which is also fixed to the plate. No stickers, the 4 screws were in the same place as in the video, but the plate is a bit different. Didn't pop out the driver as it is fixed to the plate. I bought my M3 in 2019.
Thank you for this valuable information! I can confirm the Torx T-6 fits the screws in Momentum 3.@@oscarrox
Does anyone know how to fix the notorious "won't go into pairing mode" issue? Won't connect to previously paired devices either...
My Momentum 2.0 have become much more bass heavy in their sound profile, I wonder if there is a problem with the internal DAC EQ or if there a hardware/dynamic problem of some sort. Have you ever faced this issue before and do you have any recommendations for a solution? Thanks
When plugged in, mine flash red light every 2 seconds but never charge. I measured the voltage across the battery at 4.1V DC. Could the battery still be the issue? What else could cause this? A disconnect of wire in the headband?
Hi, thank you for the great video! Is there enough space to fit a little bigger battery? I found a battery in my electronic shop nearby.
It have the dimensions: 25.7 wide, 42.5 long and 6.5 thick.
An answer would be very helpfully!
Did it fit. I am thinking of putting a fatter battery in mine.
Thanks for the video, very helpful.
Do you think the battery can be replaced with Li-Ion providing the same voltage (3.7v)? If so, is it better to stick to the original Li-pol or change it?
Does anyone know the exact dimensions of the original battery? There are a lot of different batteries, I wouldn’t like to buy the one that does not fit:)
Yes, The reason why I did the replacement the way I did in the video was that I only had raw LiPo cells and had to borrow the protection circuit from the dead battery. Whether you use li-ion or lipo is irrelevant but only lipo will be the correct shape for the headphone unless you start drilling holes into it so you can shove a 18650 cell in.
Hello Purkkaviritys, thank you for providing a tutorial, I'll be using this when the time comes to change the battery, any tips on hardware disabling the microphones? Do you think that will work for stopping the ANC? I'm having a hard time with the ANC, my ears can't take the pressure.
It may or may not disable the ANC, depending on how the phone firmware has been written, I have a feeling that since the Momentum 2.0 are a always ANC on device, I feel like it more than likely wont disable the ANC, and may cause further issues. Depends heavily on how its implemented.
I see 2 possibilities of what will happen, 1. you disable the microphones and the device thinks its in a entirely silent environment and ANC output goes down, or that the exact opposite happens and you get flooded with white noise. tbh I don't know what will happen ¯\(°_o)/¯.
@@Purkkaviritys thanks for the reply, I've blocked all mics with strips of cloth and tape to dampen how much sound they receive, and it seems to have done the trick, I still get noise cancellation, but at a reduced level, all I need to do now is work out which mic is for voice input…
Great stuff, just wondering, did you replace the tape behind the battery? if so what kind did you use?
pretty sure I didn't but you can just get some 3M double sided tape to do the job.
@@Purkkaviritys ok cool, thanks for getting back.
Hi there, thanks for the great explanation! I was wondering where you got your replacement battery from? They seem to be quite hard to find! :)
The battery I used was originally meant for itsy bitsy tiny quad copters, but I wouldn't recommend using that particular one as it turns out when you have less than half of the capacity the original the runtime is only a couple of hours.
I've seen a couple that have the same dimensions and capacity on aliexpress but I haven't gotten one yet, but that is where I would start looking for one.
@@Purkkaviritys Nice - I've purchased these two: www.aliexpress.com/snapshot/0.html?spm=a2g0s.9042647.6.2.35624c4d9luHfn&orderId=102147952474513&productId=32900889608 www.aliexpress.com/snapshot/0.html?spm=a2g0s.9042647.6.5.35624c4d9luHfn&orderId=102147952484513&productId=32902230088 - one is 800mAh but I'll have to do your solder trick, whereas hopefully the 600mAh one already has the right connector. Will report back once they arrive and I test them!
Quick update - the 800mAh battery is now in and working perfectly! I had to replace the shield like you did in this video, but it was pretty straightforward. The slightly larger battery fits fine.
Not bad for a £3 fix compared to the factories £50!
@@georgekinsman4187 I hope you did use kapton tape to wrap the connections so they cant short themselves.
@@Purkkaviritys yep I replaced the original tape that was on there to avoid shorts - it went back on pretty well and still had enough sticky :).
Any one know if 802540 will fit? Thanks!
Has anyone replaced broken cable between the cups inside the headphones bridge? Is it doable? 🤔
even if it wouldn't be possible, you can always run new cables between the headphones be it on the inside or outside.
Ive got the same issue, there's a loose connection on the wire between the cups on mine close to the left cup, did you have any success? any ideas how many different strands of wire are in that cable is it 4?
did anyone work this out? My cable got connection problems just above the left cup yesterday.
There are so many cables leading through the bridge that it demotivated me to try to repair it (I have also have accidentally destroyed the charging PCB when trying to replace broken micro USB connector). For sure it is not possible to replace the cable without removing the rubber from the edges of the leather bridge and then you need to solder a lot of wires. Some photos from the inside of the headphones (cups are easy to disassemble, just be careful and do not use any power).
photos.app.goo.gl/mcbxmryaNVBheF5s7
Dear Purkkaviritys thanks for the tutorial. I have the same Sennheiser Momentum 2.0 Wireless it stop turning off when i pressed the button. Do you have an idea how to fix it?
Regards
check the connections of the button, maybe the solder has cracked and the button no longer makes contact?
I need to replace the usb charging port. Any tips before I open up? Do you have a part number?
I need this too!
I installed a 1200 mAh battery and installed. I had to make a few modifications but now it last a really loong time xD
What mods did you have to make for it to work, brother?
@@felipedonadon7039 well I had to remove all what could be removed. Like the connector for the battery was in the way so I soldered the cable straight to the motherboard. Unscrewed the small boards and moved them to the sides then used my trusted multitool and filed away the screw holders so the battery could fit.
It took some fiddling but the sound is better now, removing that commector to battery and resoldering some connections made the sound bit more crisp :)
@@hampusastrom4499 thanks for the reply, bro! I bought a 800mAh from aliexpress, probably arriving in a month and I'll definetly check your tips about the wiring and soldering it directly to the motherboard! Thanks again, hope you are enjoying your Senn's :) - oh, and btw, what's the avg playtime that you're getting in with the new battery installed?
@@hampusastrom4499 its been a while but do you remember the thickness of the battery? is there enough space for 10mm thick battery? Thanks :)
I replaced my battery and the headphones work fine (there was already some charge in the new battery) BUT it will not charge. I stick the usb cable in and there is no indicator light blinking that indicates charging. Help! It's too bad, because they sound great but there is no way to charge them or use them directly with a computer.
it could be that the usb connector is broken, so once that happened the old battery never got charge to begin with.
Hi where did you get the battery? Apparently they don't make them anymore. :( Cheers
Mine was supposed to go into a tiny RC quadcopter, but I repurposed it for the headphones.
did you consider it possible to add usb c charging to the headphone? I am somewhat thinking about doing this but cant find anyone online who did this.
did consider but didn't have a usb-c breakout handy, might do that at somepoint.
@@Purkkaviritys this would be nice to see if its a good mod or not, and the micro usb port is all what we get
for some reason my headphones are not charging and the lights are not popin at all i dont know what to do
if anyone can help
More than likely, you just need to change the battery.
Hi. My set has stopped charging.(no flashing light) Do you think the battery could be the culprit? I've had them for 4 years. Thanks.
Entirely possible, only way to find out is to open up the headphones.
@@Purkkaviritys Ok thanks
Do you know if the urbanite xl wireless have a similar process? I believe that my battery is dead also. The light only flashes while charging. Sometimes it works while charging but recently it won’t even turn on. Does it sound like the battery or might I have another issue?
similar? probably so generally the swap is the same, but the outer casing design is very different so opening it may be very different.
@@Purkkaviritys thank you for the response! I understand your point though and since it's not functioning anymore I don't really have a fear to at least try. I found some replacement batteries on ebay so I'll give it a go and see what happens.
@@jeminem619 you may be able to find opened pictures of the headphones on FCC website, you may have to look for a moment though as they usually have some weird name there.
@@Purkkaviritys pardon my ignorance but what is "FCC"?
@@jeminem619 the US Federal Communications Commission, if you bring a device that has a radio (all bluetooth and wifi devices for ex.) you have to show the electronics, and there will be pictures.
Sometimes its just the board, sometimes its the device opened up.
I change the battery, but only works a few days, any other way for the fix? The red led is blinking all the time, but no charge 😞
cant you recharge the battery?
mine arent pairing, blocked jack port? (stuck in cabled mode maybe..)
the jack might have a "cable connected" pin, that is stuck and thus wont come out of cabled mode
Is it okay to solder 2 wire li-poly battery instead of 3 wired original battery
I wouldn't but I cant stop you from doing that.
What are the specific dimensions or specs/form factor for the battery to be able to fit inside the headphone, do you remember?
See Description for the information you seek.
@@Purkkaviritys Not sure why I didn't think of that earlier actually.. thank you for documenting this!
Will a LiPol battery still be a danger even if totally drained?
not really, but I would still be careful with removing one.
Maybe you could help me. My speakers for my left side doesn't work. Sometimes it does, but I do not know why, Could you help me?
probably a connection issue, I take it that you are using them in bluetooth mode, if so you need to make sure the wire that feeds the signal to the speaker that has issues, is connected properly and does not have a break in the soldering joint. That is where I would start. if you are using a cable to listen, change the cable.
@Purkkaviritys it works fine when the speaker is out of the socket, nfc wire is touching. I just have to find a way to fix it.
Hi, how do I know if my set needs battery replacement? Would blinking red led while charging be that case ?
if it does not hold charge, then yes that would be an indicator
@@Purkkaviritys Hi, Thanks, Would you know what it means why it's blinking red light every 2 sec when charging?
@@rolandMclovin no idea to be honest, but if I had to guess I would expect it to be because the battery is in such a bad condition that once it gets a little juice, the headphones wake up draining it fully and then shutdown allowing it to fill a bit again, so it gets stuck in a loop.
@@rolandMclovin did you ever figure this out? I have same problem. Blinks red every 2 seconds as if it's charging, but I can't turn them on
@@PatagonianDuck not sure, but i think its the micro usb connnection problem. when I bend the connnector to one side it seems charging. One time it did acctually charge the headset.
Do they use the same battery momentum 3 and 2 ?
LOSONCOER 1000mAh Headset Batterie Für Sennheiser Dynamik 3 Drahtlose M3 Drahtlose M3AEBT DYNAMIK Wahre Wireless AHB702535PCT-01
how your blutooth battery mah?
The battery I had on hand had only 250mAh and is under half what the original battery had. I will get a proper battery for it later.
Is the same for the HD1 modelo?
The outer casing seems to be the same, the inside are probably very similar, but as I have not opened HD1 myself, I cant be sure.
Its same I have one
This might be a long shot but I figure I'll ask it anyway. My Momentums have recently starting to turn itself off during use. I figured it must be a bad connection somewhere, a bad cable or maybe even damage to the pcb. So I opened both sides and inspected them. I can see no visible damage to the cables, sodder points or PCB. I don't think it's the battery since it still holds a pretty decent charge. When the headphones turns off I can just turn it on again and it functions as normal, untill it turns itself off again in a couple of minutes.
I don't know what's wrong with them. If I can fix them myself I'd rather do that than buy new headphones. Any ideas would help.
sounds like the battery is the problem tbh.
If the wiring was the issue, you likely would not be able to charge it at all nor would it turn on if it was internal wiring issue.
I am having the exact same issue. Opened them up today, no visible corrosion or loose wires. Even tried gently shaking wires with a tweezer while sounds were playing, didn't see any change. I didn't take teh PCB in the right earcup out to check the other side though. My problem got consistently worse over time, before it would happen occasionally, now it happens very frequently. A small amount of shake or movement somehow triggers it but its hard to understand what type of jiggle makes it happen. I have tried shaking either side while holding 1 side firm, but still didn't see anything on 1 side to do anything more noticeably to cause this. Since this started, the mic also does not work on video calls on PC, unless I use the USB wire to connect to a PC using USB headset mode and select that mic. Mic works on phone video calls, but the headphone is also turning off frequently. Might need to email Sennheiser and see what my options are. I love these headphones too much to get new ones. Used for just over 3 years now.
I tried to fix the fact that they didn't turn on, then I replaced the original battery with another one bought on Aliexpress. Still nothing! They don't turn on. What should I do?
is there any corrosion you can spot inside the headphones, because if they have had water ingress it may have broken things. Outside of that its hard to say. it might be that one of the chips that power the thing is broken.
The corrosion is technically usually fixable, provided you can replace the corroded parts.
Other than that, I would look at the cables connecting the 2 halves of the headphones together and use a multimeter to test the continuity, as in does the power reach from the battery to the other side where the charging connector is.
@@Purkkaviritys Thank you for answering me. That's a very kind of you. The main issue is that I don't understand electronics.
Is it possible to find some replacement parts such as chips you were talking 'bout?
@@DOMEROCK well, you'd have to diagnose them first to see which if any are broken to be able to replace them. There are way too many components there to just try to randomly replace them.
@@Purkkaviritys iOk, understood. thank you! In case i have one damaged chip, where I can find spare parts?
@@DOMEROCK provided that the chip has text that tells you what it is you can even find the parts, digikey for ex might have the part. This is why it would be great if we got right to repair trough so I could have access to the schematics so I could even look where is the most likely thing to break and then buy the parts instead of having to stab in the dark for a possibility that I manage to stumble on the broken thing by trying to reverse engineer how the device works.
Welp, this video kind of confirmed that the issue I'm having with mine isn't necessarily a dead battery (thank you).
When plugging mine, the led would light up red and stay red for a few minutes, then turn off.
The headphones never turn on either.
Tried replacing the battery, same problem still. Then I made the mistake of plugging them in a fast charger, which seems to have made matters worse, because the led doesn't turn on at all anymore.
The led does flash red twice if I plug them while the battery is unplugged tho.
Aaaand I noticed that one of the two wires for the bluetooth got loose during this process, so if I can ever fix the charging problem, I'll have some soldiering to do
Does anyone have an idea of what it might be? I'm considering getting my hand on an electric meter at this point :/
get yourself a multimeter anyway, it will help you diagnose lots of stuff later. see the EEVblog recommendation list on what to get.
Hey I am having very similar issues. LED not lighting up anymore, I had wondering if using a fast charger had something to do with it. When plugged in, the side with the microUSB slot gets hot (not the side with the battery). Is yours similar?
Mein are Blinking in Blue
for Momentum 3.0 wireless use this 1000mah LOSONCOER 1000mAh Headset Batterie Für Sennheiser Dynamik 3 Drahtlose M3 Drahtlose M3AEBT DYNAMIK Wahre Wireless AHB702535PCT-01 from aliexpress