blackberry 8520 black *faulty* *

hi i have for sale is a blackberry 8520, the phone itself is in good condition and is unlocked to all networks. the phone was working fine but the other day it just went blank while i was using it and now when i try to turn it on it come up with a batter sign with a red cross over it. i do not have time to get it fixed pluse i have got a ned bb so selling this as a faulty phone. OFFERS... thanks