Without the rules, yes, it is okay to run it from a 7.2V battery up to a 12V battery:
Quote:
Power Requirements 7.2 - 12 Volts DC
Maximum Current 500 mA maximum
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Those ratings are from ifirobotics.com (
http://www.ifirobotics.com/usb-chicklet.shtml)
But apparently from the rules aspect, this is prohibited, so I would stick with a 7.2V battery like the GDC says.
The question remains... What is functionally identical??? Does that mean, identical to the one included in the KOP, or just another 7.2V battery that you can buy from a store, since that can be used on the robot instead.