Answer to "My charge 2 does not hold charge"Did you put it on charge and forget to remove?. These problem occurs only when we over charged our appliances. If not, there is also a chance that your connecting wire has some problem. Otherwise, I think It was harmed by changing the AC voltage current.
Answer to "Does the LG OLED 55C8 US accept power voltage from 100 ~ 240 VAC?"No, @Dato Chkhartishvili There is no chance of Blow up with 240 voltage alternating current. It contains absorption power around 240. So it will handle it very easily.
Answer to "My ps4 is not switching on without electricity"When the power switched off and our PlayStation is on. The virtualization in the switching off and on in the electricity harms our PlayStation motherboard very dangerously. Sometimes the AC when high our PlayStation motherboard cannot handle the circulation of current and it was shot down. I faced this problem and lost my previous PlayStation due to this problem.