problem with charging tf101

Hi all. I have that problem. My tablet tf101 wont charge. When I put charger tablet start and work, but on the screen stay 0% charging. In setting /battery stay "discharging" When take off charger , tablet turn off. I dont put on a few months, and now i want to use it. What i post to do. Battery is gone or ? Geve me advice :)
Sorry for my bad english :)