Help Wifi drain battery help!!!!!!!!!!!!!!!!!

[TimeFlies]

After updated to ICS , whenever i open my wifi , my battery drains like super fast...>.<
I am using Juice Defender Ultimate.It really helps save my battery. But when i on my wifi , It's still drain battery...I cant imagine sensation without Juice Defender when using wifi...-.-'''
Anyone Have ANY SOLUTION?

 

[El Presidente]

Do you have Best WiFi performance checked in the Advanced WiFi Menu? Settings -> WiFi -Menu -> Advanced.