According to the manufacturers, the answer is usually no. They warn people against disassembling the devices, saying it's dangerous or that it will void the warranty. But that doesn't mean you can't do it yourself, repair advocates say.
Some of these devices have very replaceable batteries, and in most cases, it's just a matter of getting inside the device and learning how to do a little bit of soldering or taking it to someone who can do it.
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