Introduction
Remplacement de la batterie OEM par une pile au lithium-ion 18650 pour améliorer la capacité.
Ce dont vous avez besoin
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Désassembler la JBL Charge 3 est relativement similaire à la procédure pour l'Xtreme. Vous pouvez aussi trouver les instructions sur Youtube (il suffit de rechercher le mot-clé "Démonter Charge 3").
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Vous pouvez suivre ce lien pour accéder à un démontage de base !
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Note : il n'est pas nécessaire de retirer les deux tweeters des haut-parleurs.
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Pour retirer la batterie, il faut enlever le radiateur du côté droit.
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Remarquez qu'il y a deux loquets en plastique, vous devez les soulever en utilisant une petite pièce métallique comme levier.
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Pendant que les deux loquets sont en place et fixent les haut-parleurs, essayez de tourner le radiateur dans le sens inverse des aiguilles d'une montre.
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Cela peut être difficile dans un premier temps, mais ne vous inquiétez pas, il n'y a pas de câble connecté au radiateur.
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Lorsque vous avez tourné d'environ 1,5 cm (ou que vous ne pouvez pas tourner plus loin), retirez simplement le cache du radiateur.
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Débranchez le câble reliant la batterie au circuit à l'intérieur de l'enceinte avant de retirer la batterie.
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La batterie de la JBL est Lithium Polymère
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Marque : GreatPower
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Modèle : GSP1029102A
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Performance : 3,7 V, 6000 mah et 22,2 Wh
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Option A : consiste à acheter exactement la même pile, puis à l'installer. C'est simple. Aucune explication n'est nécessaire.
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Option B (mon choix) : remplacer par une batterie Li-ion 18650, pour éviter les délais de livraison depuis la Chine et être assuré de la capacité.
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Je décide de prendre 3 cellules de 3400mah NCR-18650B Panasonic. Deux non protégées et une protégée.
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ATTENTION : assurez-vous que toutes les batteries ont le même voltage avant de les monter. ATTENTION à ne pas les court-circuiter. Peut-être en les équilibrant et en les égalisant.
will it be an issue if I use 3 Protected batteries instead of 2 Protected and 1 UnProtected?
What do you mean with 2 unprotected and one protected.
Can I use only 2 pieces of Sanyo high capacity 18650 unprotected battery? Thanks…
“protected” batteries incorporate some small electronic circuit to prevent over-charging and over-discharging. See also: https://www.fenix-store.com/blog/what-is...
But: I must say, the author is not clear (contradictory) on where he put the protected one and where he put the two unprotected ones.
I thought: Since there is a small BMS-protection-board, the two unprotected batteries are to be soldered to the board. The one “protected” battery should be the one *not* connected to the BMS-protection-board.
I might be wrong. Please clarify.
I also find the explanations quite confusing as it says to connect both protected and unprotected to the bms board…. Why not use all protected for extra safety?
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Vous devez les câbler en parallèle (c'est-à-dire en paquet de 1s3p).
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Les deux non-protégées se connectent au circuit BMS de la JBL. Je soude le fil noir à la borne B+ et le fil rouge à la B-.
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Pour faciliter le prochain remplacement, je connecte la batterie en torsadant juste les fils codés par couleur et en les enveloppant de ruban adhésif isolant.
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La pile non protégée se trouve dans le compartiment à piles d'origine, à l'intérieur du support de pile (comme illustré), relié d'un côté au circuit BMS.
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Deux cellules se trouvent dans le compartiment des haut-parleurs, derrière le radiateur de basse. La cellule non protégée (radiateur de droite) se connecte directement au circuit BMS.
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Le protégé (après que j'aie ouvert et réorganisé le circuit imprimé de la batterie pour mieux l'insérer dans le compartiment des haut-parleurs) se connecte parallèlement au protégé de l'autre côté du radiateur de basse.
That's right bro hahaha
Why solder black to B+ (positive) and red to B- (negative)? Shouldn’t it be the other way around?
I also wonder why you use 2 unprotected and 1 protected battery? Why not use 3 protected ones?
NCR-18650B fits on neither side of my speaker - it deforms the speaker tube and makes it impossible to remount the bass radiators.
My NCR-18650B is 65 mm long; how long are the batteries you used?
Got a question, on this 1s2p bms board, can I connect 3 cells? Consequences to it?
I have got access to only unprotected cells, hence have to connect those to the board. I am considering 2 cells in parallel to one side of bms board and 1 cell to the other side.
The bms board has got 2 chip controllers. The chip controller with 2 cells in parallel should treat them as 1 single cell.
What do you all think? Effective solution or not?
Just tried this with 3 protected cells and now realised why he chose only 1 protected. The length of the protected mean they don't fit in behind the radiators. Circuit is a protection circuit so not sure if this would handle the protection.
Would have been better to explain choice of cells in article as now stuck needing 2 unprotected cells or disassemble protected ones …
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Pour votre information. Après avoir terminé !
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NOTES :
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J'ai mis un peu de mousse rose pour m'assurer que les fils ne cliquettent pas, j'ai tout sécurisé et j'ai chauffé l'isolation (s'il y en a une :))
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Le support des piles est collé au compartiment des piles par du silicone.
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Les cellules dans le compartiment des piles sont juste à droite et rentrent pile dans l'espace disponible. Donc ce n'est pas la peine de les coller.
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Remontez le tout en suivant les étapes dans l'ordre inverse.
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Attention aux vis, elles s'abîment facilement.
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Pour une plus grande tranquillité d'esprit, j'utilise du ruban de plomberie pour assurer une étanchéité à 100 %, car après tout, nous avons peut-être ouvert les joints d'origine des haut-parleurs.
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Remarque : assurez-vous que tout est parfaitement scellé, sinon vous entendrez les haut-parleurs cliqueter lorsque vous écouterez des morceaux avec basse puissante.
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BONNE CHANCE ET AMUSEZ-VOUS BIEN !!!
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Pour remonter votre appareil, suivez ces instructions dans l'ordre inverse.
Pour remonter votre appareil, suivez ces instructions dans l'ordre inverse.
Annulation : je n'ai pas terminé ce tutoriel.
11 autres ont terminé cette réparation.
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51 commentaires
Cant i only replace the one 18650 battery? Or do I need These silver packs?
You probably can use only one 18650 battery but then your speaker will run out of juice much quicker ^^
The way I connect everything is parallel so if you only use one then just direct soldering to the positive and negative of BMS
Note that you can only charge the battery only when you connect the battery through BMS.
Cheers
Hi! How are you? Some bottom leds are failing in my charge 3. Do you know if this could be repaired? Does it afect any other function? Thank you! Dario.
Hi, I do not know if you can replace the bottom leds. My guess it would not affecting the function of your speaker, you can test when open it up and checking the charge on the battery to see before charging and after charging is 3.7 volts. Meaning it is charging and how long the speakers battery should last 10 hrs per charge on high volume.
can u both use the stock battery and 18650 battery ? thanks
You can use either stock or this way 18650 batteries. But this way will increased the capacity!
Wont work, because in this configuration you will need batteries of same type
CK One -
Is it okay to use 3 protected batteries instead of 2 unprotected and 1 protected? Would that make any difference in the process or connections?
It's perfectly fine, I have done that and be using for almost 1 year now. The capacity is greatly increased and living it ;) of course for safety you can use 3 protected (however you need to pay attention to the limited space you can fit in the internal of the charge 3)
Hi can you please post a diagram on how to connect 3 protected batteries? I have no knowledge in batteries so im really confused. Thanks.
Its quite simple with the 3 protected batteries. They are exactly the same with the 3 unprotected. You just need to connect red to - sign and the black to + sign.
The only thing is that you need to open up the protected part out to separate and electrical taping the wires in the correct terminal. I play around a bit.
Can i just use 2 batteries? I will connect one battery on + and negative on the left side of the board and the other battery on the right side of the board? Do i still need to wire both batteries to each other or not?
hi, off course you can still use only 2 batteries. not a problem. Only the capacity will not as good as original (bit less).
If two batteries then, just connect one on the right and one on the left of the board. :)
Guess that NGUYEN Anh is Vietnamese, may I have your contact? My JBL Charge 3 need to replace the battery now.
Contact me via email please j.vu2@aol.com
haha, the name is obvious. You live in SG?
Yes, waiting for your email. Need to replace the batter asap.
if you would like to replace then plz contact my email, arnold.ng85@gmail.com. I’ll help and guide in my best knowledge but do not have time to do it for you :)
Hello!
It’s great idea, but in my Charge 3’s passive bass radiator was stopped! Not fit for mine!
What do you mean?
Why not? The JBL impruve his only battery fitting?
After reading more intensively on equalizing more than 1 battery together, even if they are protected, its my conclusion that this project while seemingly fun might be more trouble than its worth. Its best to just buy an upgraded battery.
I do not think so, because with extensive usage. My battery will die out after 1 year, plus with new model coming out, the stock battery will no longer available. So using 18650 batteries is best option. Once setup, just replace the batteries, even if they are not equalize probably, they are fine will definite last long. (also consider the cost is cheaper).
Thanks sir.
It works,i put 2 (18650) battery like you.
I'm happy with this..
Thank you…
Hi NGUYEN Anh, can i use 26650 5000mAh battery instead of 18650 3000mAh to replace the original battery? Soldering it to left and right of its BMS? Hope you reply the soonest! Thanks man. :D
Hi MarkHarBet, the battery 26650 is too big to fit in the limited space within. So 18650 will be best option, I just barely manage to fit 3 in. Thx
Will replacing the battery effect the waterproofing in any way?
I take the precaution, that’s why i use some plumping tape to water-proof around the two radiators. After done that, I have test in the rain first and throw in the swimming pool. It is fine, but of course don’t over do it over long period of time (5-10 min max). Under the rain is absolutely fine.
Good day everyone, first wants to thanks author for good job, i planned to do so with my JBl 3 long ago, as the battery start dying…
When I disassembled the speaker, i was fck amazed, my batteries become doughnuts) i wandered how the cover not damaged or smthg… cause they really become twice a size.
But I write this to warn people, when i disconnected old batteries from BMS (note that I didnt short circuit the battery 100%) this plastic package of the battery opened, through the gap, when i cutted the connections one by one, and the gas from inside came out, fck buttery burned in a second), its good that not to the face but aside…
Anoter word Guys, if your old battery become a ballon, be very fck careful, shis gas inside flame at once when react with oxygen….
Good luck every one and Safety First
Right on it. I also nearly short circuit one of the battery, so yes have to be very careful. Thanks Vladimir
I agree with Mike. This isn’t a very good “Tear Down” at all. The video doesn’t even complete the tear down. For most users, they won’t even bother with doing the modified battery and neither the instructions on this page or the video gives any instructions on how to just do a stock battery replacement. This gets a thumbs down from me.
Thank you Mike for your opinions. My intention is to upgrade the stock battery with the 18650 batteries what are widely available. Plus, I am not very tech savy, my wish was to do a proper video for the whole process but do not have right equipments and time constraint.
i dont understand how you connected the batteries to the bms board were all 3 batteries connected in parrallel or only 2. the two in parallel were they soldered the the b+ and b- of the board and the single one was soldered to the opposite side of the board on its own??
Yes, all the 03 batteries are parallel. Two on one side and One on the other side as you mention.
What are the steps for replacing the battery if you buy the same battery? Is it as simple as plugging it in?
Hi Bob, if the stock replacement batteries come with the BMS then it's simple as replace and plug in (as from the time I try to buy the stock one there is none in my country). Plz contact the provider.
But if the stock ones are only batteries then you need to reuse your BMS, required you to solder the battery into the BMS.
How many hours do you get in your jbl charge 3 on a full charge?
At right now at 50% volume, I manage to get around 25 hours or more. I do not keep track exactly but Its like forever until I need to recharge :)
Nguyen, Quick question…. About Using the 2 unprotected batteries in parallel with 1 protected attached to the BMS board, could you explain what benefits you get by having the 1 protected with the other 2 unprotected. Does the protected battery’s chip enable the other 2 cells more protection ? Are you counting on the JBL Charge’s BMS board to provide that layer of safety ? Please explain the reasoning if can, i’m very interested.
Also , if you ever decide to update some more photos, ie. both the sides of the BMS boards solder points, or perhaps an explanation into why the 18650' batteries you have shown in the photo are wrapped in plastic bags for the solder photo but once installed their wrapped in black electric tape. Thanks dude ! Your awesome !
I was able to get the same model of battery online and I plugged it in. When I plugged the charger in the led light of the Charge3 was blinking abnormally and not the consistent blinking. Is this a problem?
Was you able to get any help?
The batteries do not fit
can you help me ?
Does somebody knows what the white wire exactly is? My bms is physically defective and i cannot reuse it. Speaker works but does only charge to a few percent. When measurig voltage the white wire gives lower voltage than the cell so maybe i could correct that by adding a resistor. Maybe someone coulde measure the voltage diff between voltage of white wire and cell voltage. Thanks a
I was actually thinking about if there’s no need for batteries. Is it possible to directly wire those 2 black wires and red wires to just a direct current? I mean only using the speakers plugged in without a battery.
Hi, im zulhelmy from malaysia. Can i ask you, why did you solder black wire tu + bms and res wire to - bms? I thought black for - and red for +?
And another one question, can you show me simple diagram how to connect battery to bms if use two 18650 battery.
And last one
I replaced the battery in my JBL Charge 3, now it wont charge. When plugged in and powered off, the indicators are blank. When plugged in, and the power button is pushed, the charging indicator will flash all, switch to one white light, then the one light turns red, and the speaker powers off. While unplugged, it does nothing. The battery is for the 2016 version, which matches my speaker.
I though you only have 1protected cell?
“The protected one (after I open and rearrange the PCB of the battery for a better fit into the speaker compartment) will connect parallel to the protected one from other side of the bass radiator. “
My original battery was around 1AH nowadays. Replacement pack is pricy and I'm not sure about their quality.
For me best option is tu use original samsung 5AH 21700 cell it fits in battery compartment.
83% of original capacity is good enough and it is 5 times better to the old one.
I would not instal additional batteries because you will change air volume in speaker changing how it sound.
The NCR18650B does not fit into the two speaker compartments! Either the dimensions of charge 3 are different or some issue. I have tried and wasted money on batteries!! :-(
