Remote location UPS?

A customer needed a small UPS for a kiosk to last for 8 hours but didnt have any space to put the giant bank of batteries.  The kiosk was powered by a single outlet up against the wall.  On the other side of the wall was a service area, which had tons of room.   So we...

• Moved the kiosk outlet to the storage room side of the wall
• Installed a SmartUPS RT 2000va UPS in the storage room with 5 battery packs
• Created a wall mounted inlet plug that connects to the kiosk on the other side

In theory you can do this across larger distances and with larger UPS units.  The applications are endless...