1. 8.4 V battery pack for the JBL Extreme.
    • 8.4 V battery pack for the JBL Extreme.

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  2. Unscrew the screws and decover the shell.
    • Unscrew the screws and decover the shell.

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  3. Spread Fixmas Cheer
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    • Free the battery pack with 8 screws. Unplug the battery pack. Drill a hole. Seal holes with hot glue because of air tightness.

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    • Solder up the connectors + and - . Use a DC hollow bush 5.5 x 2.1 for the current supply. Isolate the ends of the cables.

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    • Battery 8,4 Volt. 13200mAh 8,4V Rechargeable Battery Pack Charger for Bicycle Light-XML-T6

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    • Solarstorm 2S2P 18650 Battery Case.

    • 4xPanasonic NCR18650B 3,7V 3400mAh=14400 mAh

    • + 5V USB ON/OFF Button

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Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

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Bert

Member since: 06/27/2017

181 Reputation

1 Guide authored

4 Comments

hi

step 2: unscrew the screws …. thats th point, where are the screws. the body looks like glued.

stephan dingsda - Reply

Hi.

Don’t ask me, because I have this guide only translated not created. Try to contact the author on de.ifixit.com. I have translated it so, that I tried to don’t change the original text.

Martin

Martin Kubica - Reply

I didn’t get it quite clear: is there a original battery replacement or an improvised one? I am interested in replacing mine but I didn’t find the battery.

Chris Fotu - Reply

Hi.

See the comment higher.

Martin Kubica

Martin Kubica - Reply

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