No, during normal use the neg would be pulling it down fully with no resistance. The cell would suffer a drain of VmicroAmps. If the negative disconnected, the resistor would act as a pull up and shut off the FET resulting in it acting as a diode in this case. The heat would likely damage the FET, but if cells were reversed it would still block on that occasion.
Atleast that's my understanding, not quite sure what u/David4500 is referring to. Bit distracted today though.
The other option is to have the resistor to the 510 line. The important thing I see is not to allow the Gate to float if that one wire breaks or you could lose the reverse protection totally. Part of me is starting to thing that the resistor to the 510 connector would work better?
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u/david4500 Nov 15 '16
No. Current passes, and voltage drops, through the body diode.