OPEN BOX Sure Power Industries Model 3202 Multi Battery Isolator 120 Amp 6-50DC. Sure Power Industries Model 3202 Multi Battery Isolator 120 Amp 6-50DC V. NEW IN THE BOX WITH ALL ACCESSORIES. You’re already purchasing the item. With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you’re getting a good deal when purchasing with us.