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Einleitung

Hier wird der Austausch des Originalakkus durch Li-Ionen Zellen vom Typ 18650 mit höherer Kapazität gezeigt.

    • Das Zerlegen des JBL Charge 3 ist relativ ähnlichwie bei der Xtreme. Schau bei YouTube unter dem Stichwort 'Charge 3 Dissemble' nach.

    • Hier ist der Link

    • Hinweis: es ist nicht nötig, die beiden Lautsprecher auszubauen.

  1. Um den Akku zu entnehmen, musst du den rechten Bassstrahler ausbauen. Achte auf die beiden Kunstoffrasten, du musst sie beide mit einem geeigneten Werkzeug hochhebeln.
    • Um den Akku zu entnehmen, musst du den rechten Bassstrahler ausbauen.

    • Achte auf die beiden Kunstoffrasten, du musst sie beide mit einem geeigneten Werkzeug hochhebeln.

    • Wenn du beide Rasten oben hast, kannst du verseuchten, den Strahler gegen den Uhrzeigersinn zu drehen.

    • Beim ersten Mal kann das sehr schwierig sein. Du brauchst keine Bedenken zu haben, es gibt keine Kabel am Basstrahler.

    • Wenn du ihn etwa 1,2 cm verdreht hast (oder es nicht mehr weiter geht), kannst du die Abdeckung des Strahlers abnehmen.

  2. Trenne die Kabelverbindung vom Akku zur Hauptplatine, bevor du den Akku herausholst. Der JBL Akku ist ein Lithium-Polymer Akku. Marke: GreatPower
    • Trenne die Kabelverbindung vom Akku zur Hauptplatine, bevor du den Akku herausholst.

    • Der JBL Akku ist ein Lithium-Polymer Akku.

    • Marke: GreatPower

    • Modell: GSP 1029102A

    • Daten: 3,7V 6000 mAh 22,2 Wh

  3. Möglichkeit A: Kaufe den exakt gleiche Akku zum Austausch. Das ist einfach und braucht keine weiter Erklärung. Möglichkeit B: Ersetze den Akku durch  Li-Ionen Akkus 18650, erhältlich aus China.
    • Möglichkeit A: Kaufe den exakt gleiche Akku zum Austausch. Das ist einfach und braucht keine weiter Erklärung.

    • Möglichkeit B: Ersetze den Akku durch Li-Ionen Akkus 18650, erhältlich aus China.

    • Ich selbst habe mich für drei Zellen Panasonic 3400 mAh NCR-18650B entschieden. Zwei sind ungeschützt, eine geschützt.

    • ACHTUNG: achte darauf, dass alle Akkus vor dem Einbau die gleiche Spannung haben. Pass auf, dass es keinen Kurzschluss gibt. Möglicherweise musst du sie vorher erst ausgleichen.

    will it be an issue if I use 3 Protected batteries instead of 2 Protected and 1 UnProtected?

    Naseef Fatemi - Antwort

    What do you mean with 2 unprotected and one protected.

    Maman Spoon - Antwort

    Can I use only 2 pieces of Sanyo high capacity 18650 unprotected battery? Thanks…

    Ninoneil Jimenez - Antwort

    “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.

    Paul Klumpp (Hau0r) - Antwort

    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?

    Mikael Jonsson - Antwort

  4. Du musst sie parallel verdrahten. (1s3p-Anordnung) Die beiden ungeschützten Zellen werden an die BMS-Schutzplatine angelötet. Das schwarze Kabel muss an B+ angelötet werden, das rote Kabel an B-. Damit es beim nächsten Austausch einfacher geht, habe ich die farblich gleichen Drähte des Akkuanschlusses nur verdrillt und mit Isolierband verklebt.
    • Du musst sie parallel verdrahten. (1s3p-Anordnung)

    • Die beiden ungeschützten Zellen werden an die BMS-Schutzplatine angelötet. Das schwarze Kabel muss an B+ angelötet werden, das rote Kabel an B-.

    • Damit es beim nächsten Austausch einfacher geht, habe ich die farblich gleichen Drähte des Akkuanschlusses nur verdrillt und mit Isolierband verklebt.

    • Eine ungeschützte Zelle kommt in das originale Akkufach (wie gezeigt) und an einer Seite der BMS Platine angeschlossen.

    • Zwei Zellen kommen in die Abteilung hinter dem Basstrahler. Die ungeschützte Zelle (rechts vom Strahler) wird direkt an die BMS Platine angeschlossen.

    • Die geschützte Zelle (ich habe die Akkuplatine neu und anders eingesetzt, damit sie in das Lautsprecherfach passt) wird parallel zur geschützten Zelle auf der anderen Seite des Bassstrahlers angeschlossen.

    Using red circles to mark negative and black ones to mark positive is a little bit confusing in my opinion. Double check the PCB marks when doing this.

    victor - Antwort

    That's right bro hahaha

    allen_ibay - Antwort

    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?

    Mikael Jonsson - Antwort

    Hallo,

    kann ich auch drei geschützte Batterien nehmen?

    Vol Khan - Antwort

    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?

    Lysander Heuson - Antwort

    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?

    shashwat319 - Antwort

  5. Hier sind Bilder zum Vergleich. Hinweise Ich habe einige pinke Schaumstreifen angebracht, damit die Drähte nicht klappern können und sicher sind.
    • Hier sind Bilder zum Vergleich.

    • Hinweise

    • Ich habe einige pinke Schaumstreifen angebracht, damit die Drähte nicht klappern können und sicher sind.

    • Der Halter der Zellen ist mit Silikon am Akkufach befestigt.

    • Die Zellen im Akkufach rechts passen so genau, dass sie auch ohne Klebstoff halten werden.

  6. Setze alles in umgekehrter Reihenfolge zusammen. Achtung mit den Schrauben, du kannst sie leicht überdrehen. Ich habe zur Sicherheit alles mit starkem Klebeband wasserdicht verklebt, da die originalen Dichtungen beim Öffnen unbrauchbar geworden sind.
    • Setze alles in umgekehrter Reihenfolge zusammen.

    • Achtung mit den Schrauben, du kannst sie leicht überdrehen.

    • Ich habe zur Sicherheit alles mit starkem Klebeband wasserdicht verklebt, da die originalen Dichtungen beim Öffnen unbrauchbar geworden sind.

    • Hinweis: Verklebe alles gut, so dass du keine Nebengeräusche hören kannst, besonders wenn Basstöne gespielt werden.

    • Viel Glück und viel Spaß!

    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

    MarHarBet - Antwort

    You think 26650 battery will fit? 26mm x 65mm? If you can try to fit it, i’ll finally buy this battery that clearly has more juice in it. :D

    MarHarBet - Antwort

Abschluss

Um dein Gerät wieder zusammmenzusetzen, folge den Schritten in umgekehrter Reihenfolge.

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NGUYEN Anh

Mitglied seit: 23.09.2017

327 Reputation

1 Anleitung geschrieben

Cant i only replace the one 18650 battery? Or do I need These silver packs?

Robert Rpunkt - Antwort

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

NGUYEN Anh -

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.

Dario Perales - Antwort

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.

NGUYEN Anh -

can u both use the stock battery and 18650 battery ? thanks

nuelanianatienza - Antwort

You can use either stock or this way 18650 batteries. But this way will increased the capacity!

NGUYEN Anh -

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?

ankush4play - Antwort

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)

NGUYEN Anh -

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.

Bart Bernabe - Antwort

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.

NGUYEN Anh -

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?

bartjeb_21 -

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. :)

NGUYEN Anh -

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

love_you_forever67 - Antwort

haha, the name is obvious. You live in SG?

NGUYEN Anh -

Yes, waiting for your email. Need to replace the batter asap.

love_you_forever67 -

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 :)

NGUYEN Anh -

Hello!

It’s great idea, but in my Charge 3’s passive bass radiator was stopped! Not fit for mine!

Albert Einstein - Antwort

What do you mean?

NGUYEN Anh -

Why not? The JBL impruve his only battery fitting?

Albert Einstein - Antwort

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.

Mech nen - Antwort

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).

NGUYEN Anh -

Thanks sir.

It works,i put 2 (18650) battery like you.

I'm happy with this..

Thank you…

Imam Abu tholib - Antwort

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

MarHarBet - Antwort

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

NGUYEN Anh -

You think 26650 battery will fit? 26mm x 65mm? If you can try to fit it, i’ll finally buy this battery that clearly has more juice in it. :D

MarHarBet - Antwort

Will replacing the battery effect the waterproofing in any way?

Prashant Arora - Antwort

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.

NGUYEN Anh -

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

Vladimir - Antwort

Right on it. I also nearly short circuit one of the battery, so yes have to be very careful. Thanks Vladimir

NGUYEN Anh -

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.

Bobby Gorden - Antwort

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.

NGUYEN Anh -

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??

David “WCxColosus” Cabrera - Antwort

Yes, all the 03 batteries are parallel. Two on one side and One on the other side as you mention.

NGUYEN Anh -

What are the steps for replacing the battery if you buy the same battery? Is it as simple as plugging it in?

Bob Smith - Antwort

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.

NGUYEN Anh -

How many hours do you get in your jbl charge 3 on a full charge?

Arjun bava - Antwort

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 Anh -

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 !

Mech nen - Antwort

Im beginning to think the unprotected cells weren’t just to get a longer life but also based on cost .. right ?

Mech nen - Antwort

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?

Bob Smith - Antwort

Was you able to get any help?

Adam Lamerson -

The batteries do not fit

haktanyunus99 - Antwort

can you help me ?

truong tam - Antwort

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

CK One - Antwort

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.

macdj_hmusic - Antwort

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

shibly.chocaholic - Antwort

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.

Adam Lamerson - Antwort

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. “

Mzide Zeegundins - Antwort

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