My tablet keeps draining the battery and now it won't come back on even when I put it on charge

[carolynmurphy12345]

It's a smartab and it won't come back on

 

[webworkings]

Well any use drains a battery. But a virus, bad app, constantly running app(s), etc., can all cause the drain. However, since you say it won't charge at all now, I would look into having the battery replaced.