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German Version below. Hi, a friend of mine gave me a JBL Charge 3 which didnt turn on even with Loading per different USB-Cables. How can I check if its the Batterie which is broke or the Charging-Port? I just had the Idea to replace the Batterie for 40 Bucks - but when it still wont turn on the it would be useless spended Money. Another Idea - can i use the “big” USB-Port for charging or is it simply possible to charge with die Micro-USB-Port? There are 2 USB at the Panel beneath the AUX. thanks folks ! Hi, wie kriege ich raus, ob das Problem meiner Box an der Ladebuchse oder am Akku liegt? Kann ich ggf. versuchen den Akku mit dem Standard-USB-Port zu laden oder ist es vom Schaltkreis her so gebaut, dass ein Ladevorgang nur über den Micro-USB-Port möglich ist? Kann ich irgendwas kaputtmachen wenn ich den grossen USB ausprobiere? Würde ungerne 40€ für nen neuen Akku blechen und am Ende war es es nicht…

Hi! I had this issue a while back, speaker batteries are rarely the problem, and with Charge 3’s its almost definitely the charging port. Here’s a link on how to fix the charging port: https://www.youtube.com/watch?v=g3si3m2K… Hope it works out! -Jup :)

Hi, thanks for the Answer. I dissambled the Parts like in the Video but everything on the Platine is fixed, so the Chargingport doesnt move a millimeter even when i tried to move it. Furthermore, all the soldering-connections looks good - so I still dont know where the Problem is. Even the Charging-Cable fits good into the Port. May another Idea would be to check the Port with an Voltage-Tester while plugged in - but I dont know where to set the Voltage-Tester - Anybody can help me out in this Case ? thanks