A nice touch is how the unbranded brand uses a bright indicator LED, so you know at a glance when it's active.
250A Dual Battery Isolator Smart Relay 12V/24V Universal for Car Truck ATV Boat
The model number is WD3556, and you will find that it's easy to identify among other relays.
What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
What stands out about this General Purpose Relay is the calm, steady presence of the Columbus McKinnon name.
You will find that the unbranded design things basic, which makes troubleshooting quick and stress-free for most setups.
When checking the specs, I saw the model A110-3-84 listed clearly on the front page.