How long will it take for Apple to return iPod Touch sent in for repair?

I sent in my iPod Touch 2G 8gb via the UPS Store for repair because my battery wasn't charging anymore. Earlier yesterday, it was received at the Apple Repair Center. I checked on the Apple website in the "Check Service Repair" section and it's in the "In transit" stage. How long will it take for them to send me back my new or refurbished iPod Touch?|||The tracking number they give you will answer that question with the estimated number of days it will take....we can't tell you from here without a tracking number or you can just call apple if that is a problem at 1 800 275 2273.