[MrForbes]

Changing the battery our rookie year was a nightmare, so we thought about it and one of the students came up with this idea the next year. The nylon strap and buckle is available at the hardware store for about $5, it is attached securely to the bottom of the robot. Having a box for the battery to sit in gives it good support and makes changing it easy. With the battery sitting upright, and the box surrounding it on all sides, the strap isn't under load...it's there in case the robot falls over, or something wild happens.

We've seen a few robots dragging their batteries by the wires during competitions, it's not something we ever want to see happen to our robot