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Old 03-29-2017, 07:44 AM
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Location: Mendon, MA
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Originally Posted by Rodney View Post
I think you have made a smart decision; however, you still have to be sure to DISCONNECT the red wire from the connector between the ESC and your receiver.
IMHO, it is a better option to have an active element in series (diode or MOSFET) to prevent the 2 voltage sources from being connected together directly at the Rx bus.
This allows for true redundancy; the ESC BEC powers the radio and in the event of failure, the backup battery takes over.

Another option would be a Scorpion or OptiPower Backup Guard
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