BLACKBERRY 8520 AND BLACKBERRY 8310 !

Here I av a blackberry 8520 needs new charging port and reflashing I av been told,cos wen u turn it on it shows a battery sign with a line through it,also av got a blackberry 8310,needs battery and new casing,I am asking 25ono or W.H.Y Sold as seen,spares or repairs,txt me