About 500 times
You can send it to the dealer for replacement. If you have strong practical skills, you can also replace it yourself
Supplement: disassembly by yourself. will void the warranty, and if you are not careful, you may lose the warranty.
Act within your ability
If you want to replace the battery, disassemble the MP3. and find a battery of the same specifications and replace it
There must be a difference
p>
1:
It is recommended to replace the battery battery with this brand.
2:
Take out the battery first and see if there is any battery information on it
Or measure the voltage yourself< /p>
In short
You need to know the output and input voltage and current of the battery
Then find another new battery of the same type and replace it.