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I have trouble replacing the battery for this speaker, have you any help you with

What problem you having? It’s a 11.1v li-ion 2650mah pack Model mx18650

I fixed mine with a 12V Battery 3S1P 12.6V/11.1V 2500mAh 18650 Lithium-ion Battery Pack with 5A BMS . I cut the original molex connectors and added my own. It’s working great and was a $12 fix!

can anyone help me figure out how to open the big turtle speaker so i can do a repair on it? foothillsskiservice@gmail.com

It’s pretty simple. You remove the case screws and separate the turtle shell in the middle. From there you just unplug the battery and pry it out. The battery is attached with a strong adhesive tape. You cannot be gentle when removing, just make sure not to puncture the lithium ion battery. Wear safety glasses and the screws are hidden beneath the little rubber plugs.