Originally Posted by davebig
As an experienced user of a battery isolator, would you have a link to a product that you think would work well on a sidecar rig? I'm thinking something smaller and more compact than maybe what you might choose for an RV.
For what it's worth: check marine suppliers (like West Marine). In my former life I piloted offshore speedboats which all contained 2-battery system switches/isolaters. Guest was one brand name device. Smallish - would easily be adaptable to motorbike & sidecar use.