R605       *Batteries are not ballast. No batteries other than those allowed per R601 and R602 are allowed on the ROBOT, whether or not they are being used to supply power.

R601       *Battery limit – everyone has the same power. The only legal source of electrical energy for the ROBOT during the competition, the ROBOT battery, must be 1 and only 1 non-spillable sealed lead acid (SLA) battery with the following specifications:

R606       *Secure the battery. The ROBOT battery must be secured such that it will not dislodge during vigorous ROBOT interaction including if the ROBOT is turned over or placed in any arbitrary orientation.

R604       *Charge batteries at a safe rate. Any battery charger used to charge a ROBOT battery may not be used such that it exceeds 6-Amp average charge current.