I have a plug in the wall charger for my small android tablet. I leave it plugged in whether I am using it or not. So always 1

[vikki_fraser]

I leave tablet plugged in to wall receptacle 24 7.......problem?

 

[hang-the-9]

Could be, depends on how good the battery and device talk to each-other about when to turn off charging and how it charges. Usually if you constantly leave something plugged in, it will shorten battery life faster.