iNew V3 battery problems

[Burs]

The module disclaimer speaks for itself:

Disclaimer
I am not responsible for any damage to CPUs, SD cards, Internal Storages, or other failures that happened after your battery became flat and your phone abruptly dies.
By choosing to use this module, you are fully aware that this can cause damage to your phone especially when writing data to the SD Card or Internal Storage.

And if he said that the screen glass could break in half, you would believe him too?
He was just listing all the possible things that came to his mind, so that he can't be responsible for any of that (being SD card the first candidate, and IMHO, the only one). It's more probable that your phone will have self-combustion right now, then your CPU would be damaged. I'm with this subject for the last 25 years and work in IT for a long time, so believe me what I say, cause I know what he ment with that
Ofcourse there is a risk involved, but not in such extent that most people are imagining.