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This will show how to change the battery .
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8.4 V battery pack for the JBL Extreme.
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Unscrew the screws and remove the shell.
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Remove the battery pack by unscrewing the 8 screws. Unplug the battery pack. Drill a hole. Seal holes with hot glue for air-tightness.
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Solder the positive wires together, and solder the negative wires together. Use a 5.5 x 2.1 hollow DC connector for the power supply. Insulate the cable ends (Heat shrink wrap, electrical tape, etc.)
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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.
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4xPanasonic NCR18650B 3,7V 3400mAh=14400 mAh
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+ 5V USB ON/OFF Button
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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crwdns2947412:06crwdne2947412:0
hi
step 2: unscrew the screws …. thats th point, where are the screws. the body looks like glued.
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
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.
Hi.
See the comment higher.
Martin Kubica
WTF?!? Don’t do this. Buy a replacement battery online, and swap it out. Don’t drill holes, add glue, and try to cram in some battery that isn’t built for it!