No.
No, Playstation 2 controllers will not work on a Playstation 3 as they have completely different adapters at the end of the cable.
For a wireless controller to work with a Playstation 3 it must be fully charged.
no
No, the PlayStation 3 wireless controller will not still work if the battery does not take a charge. The controller will not have enough power to connect to the console.
The Playstation 3 wireless controller will also serve as a remote but an optional remote is sold if desired.
There are only one or two wireless game pads for the PlayStation 3, such as for playing DDR.
You can charge the PlayStation 3 wireless controller as many times as it runs out of power.
Yes the Playstation 3 system has built in wireless internet connectivity using wireless G band no additional equipment is needed.
n
The PlayStation wireless keypad and the Logitech PlayStation 3 Coreless media board Pro and I known you did not mean this kind of keyboard but the Rock Band 3 wireless keyboard for PlayStation 3
You need drivers for the adapter. PS3 does not have. The only way to have wireless in you PS3 is integrated wireless.