Pda Spares Im Lost And Confused Pls Help?

Im lost and confused pls help? - pda spares

Seeking a long battery life of PDAs, a good resolution, because the disease could be used in my letter to the Director are also used for surfing the net! As you can see, my e-mail and download pictures and songs. I think it is a LifeDrive, it good? I can multi-tasking it? or I have a xdIIi O2, which is the replacement for Battry? pls help!