Why put it on battery connectors? I would not worry about them corroding at all. Dielectric grease will not hurt electronics, but it is not conductive either. If you put this in connectors they may not contact very well, they will be slippery and messy, and they will collect dirt. Probably won't actually do anything as it may just push out of the way but it is not needed anyways. Dielectric grease would be acceptable on something such as packing inside your servo case so water doesn't get in there. I wouldn't even use it inside the ESC case as there are better more permanant alternatives such as plasti-dip or epoxy. For stuff like servo extensions if your that worried about them just cut the connectors and solder/heat shrink the wires together, or leave them as is. Even running in water and snow for a couple years I have not seen any negative effects on any of my connectors. If your in a salty environment consider soldering as much as possible, and if your battery connectors do corrode it will take some time and replacing them would not be a big deal to do every few years.
Thanks guys now r u guys putting the grease in the gear section of the servo or where the motor and circuit board is
i just use it on the gears, and use liquid electrical tape on the board and also on the board of my RX
I am an electronics technician. I use it on everything that is permanent or semi-permanent. It works great for electrical connections but I wouldn't use it on a battery connection that has to be disconnected all the time.