every battery that is protected has its own rating, its designed for safety. people that do not have experience with batteries/charging them should not be buying unprotected cells.. but hey, that's my opinion.
again, buy whatever you want. but to say you can't (or shouldn't) use a protected cell in a vaping device is just pure BS.
You are being thick right now. The is a topic about best and people should be saying there is no such things as best until you can nail down the requirements.
1, Does the device has protection in it?
2. If the device does have protection built in what is the form and method of the protection?
3. If the device does not have protection in it what chemistry of battery is going to be used?
4. If the device has protection in at and the battery have protection in it do they conflict with each other?
5. What are the run time requirements and amp requirements? Which of the two requirements can be set static and which is better to always push further out?
6. What chemistry of battery are you using?
7. Is the battery going to be producing dentrites under certain conditions?
8. Will the battery vent hydrogen during thermal runaway?
9. Will the battery vent oxygen during thermal runaway?
10. What doe the battery vent during thermal runaway?
11. How does the specific battery chemistry behave when over amped?
12. If dentrites are being formed at over charge what do they look like and what's there composition?
13. If dentrites are being formed at over discharge what do they look like and what's there composition?
14. Do you want overcharge protection in the cell or in the charger or both?
15. Do you want over discharge protection in the cell or the device or both?
This can go on for more than 50 questions.
The answers to all of these questions change depending on the situation.
Usually we just use adequate when it comes to batteries.
Best is an entirely different questions and a set of specific requirements needs to be setting in front of of to determine best.
Is Tesla wrong for using cells that are not internally protected? The answer is no.