[Al Skierkiewicz]

From Section 8 Rev E

<R01>
Energy used by FIRST Robotics Competition ROBOTS, (i.e., stored at the start of a MATCH), shall come only from the following sources:
A.
Electrical energy derived from the onboard 12V battery.

Please remember that anything used for ballast must be securely mounted to the robot frame. The intent as with any object on the robot is to provide the maximum safety for the participants including judges, refs, field reset people and other volunteers near the robot.