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Ok I've got 2 different voltages in my robot (12v for the drive, 18v for the lifter)
If I used Plus (positive) on each battery that would mean I need 2 links(one for 12v, one for 18v)
I was thinking if i put the negative(GND) as ground that would mean I could put the 2 batterys GND together,
This would enable me to only have one link.
The only question is: Is this allowed as I thought only positive can be the link?
The only down side in this set up is you will be using a common negative for both volages and if you get a short before the link you still have a live system ...two links is acceptable on the posative side on each circuit ....
This method is likened to some Heavyweights that run Two links 1 for drive and 1 for weapons .....
why not just have two links?
yeh i would sugest you use two links, and any way it means you can have only one system working at the same time (like when you testing it)
can you not just use a deans connector with a wire loop as the pull/handle as your saftey ring/removable link?
One on each positive wire from the batteries?
billy