JBL Charge 4 Battery Replacement CS-JML400XL

*Please ignore all the missing screws in the video

Play and Charge endlessly
Introducing the JBL Charge 4 portable Bluetooth speaker with full-spectrum, powerful sound, and a built-in power bank to charge your devices. It features a proprietary-developed driver and two JBL bass radiators that intensify sound with strong deep bass. Its high-capacity 7500mAh rechargeable Li-ion battery provides up to 20 hours of playtime. The speaker carries a convenient USB charge out to quickly charge your devices, such as your smartphone, so you will never run out of power again. The Charge 4 features a rugged design, IPX7 waterproof rated exterior, and comes in a suite of cool colors. Together with JBL Connect+ it can wirelessly link more than 100 JBL Connect+ enabled speakers to elevate your listening experience.

Battery model: CS-JML400XL
Capacity: 10200mAh
Type: Li-ion
Voltage: 3.7V

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[muratalomari]

Hey, my JBL used to open and close after the sound plays and when I used to charge it after this happened it’s only shown one light charging and doesn’t light second light on the lid light charging, dose that mean it’s needs a new battery? Or an new type -c replacement ( not the cable the entires of the battery charge

[edgarcamarena]

Hi I have a question about the performance compared to the original battery I see that the battery you present has 10200 mAh my doubt is compared to the Original performance is Even longer in time since I am considering changing the battery

[JanPalecek-yidm]

well, the Charge4 does not work with this model. It powers up and shuts down immediately. It is charging however, I see 3, 7V on multimeter, but the speaker does not like this item at all. The original battery produces only 3, 5-3, 6 V and this works fine, altough there is not capacity left. This was dissaponting.