Re: 48 volt twin motor twin 500 amp controllers on lithium power
The write-up I posted looks like its pretty simple. You have the head unit and a 1000 amp 75mv shunt (looks like the shunt is about the size of a large fuse). The shunt is connected to the negative terminal of the 48 volt pack in my case and the negative lead that was connected to the pack is now connected to the other large terminal on the shunt.
To connect to the head unit you will need 12v positive and negative from an aux battery, a small 48 volt sensing lead from the 48 volt positive terminal on the pack and two sensing leads from the shunt…..one on the battery side and one on the main lead side.
There is a good schematic in the pdf.
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