Quote:
Originally Posted by Al Skierkiewicz
Larry,
You may only use the supplied charger or the IFI charger for the backup battery.
<R56> The 7.2v backup battery may be charged on or off the ROBOT. When off the ROBOT, the
battery is to be charged with the provided 7.2V backup battery charger. When mounted on
the ROBOT, the backup battery may be charged from the 12VDC primary battery by using
the custom charging circuit available from Innovation First Inc. (note: IFI will provide the
design for this circuit on the IFI website, however teams must obtain the parts for this circuit
and assemble it themselves). The use of this circuit is strongly encouraged.
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You quoted it yourself "The use of this circuit is strongly encouraged." therefore meaning you do not HAVE to use the IFI design.
I will double check on that and post a question in the Q & A.