xbox 360 controller

[SharonB]

hey, i have 2 xbox 360 controllers, both of them are wireless, and 1 charge and play pack. When i turn on both of them, all 4 lights on the controller just flash on and off, i tried switching the energy packs around, and I EVEN REPLACED THE BATTERIES IN THE BATTERY PACK, and the lights still flash.
I plug the charge and play cable into the controller, and on the cable, i get a green light, but the 4 green lights still flash, and i still cant get them to work.

ive also tried pressing both of the sync buttons on the controllers with the console
PLEASE I NEED HELP