This is a Nilight Battery Switch, works great. It's the 1-2-Both-Off version so you can choose to run primary, backup, or both. Good for 12V 24V 48V up to 600A High Current (up to 1500 cranking amp). Heavy Duty Power Cut, Master Switch Disconnect or Isolator. Removed from boat, but can be used in truck, trailer, RV, Marine, Boat. I've also got some copper 1AWG lugs and heat shrink I will provide with the purchase.
$20
If ad is up, it's "still available." Please use the reply button above to get phone number (2o8, four 9 5, 4 three 6 4 ) and CALL if you're interested. I'm a Boise local, but I do use Voice answering service to filter spam/scam calls. Thank you!