DC12V 140A car auto smart voltage isolator Dual battery isolator kit VSR kit battery isolator for car truck boat 4wd

Full dual battery isolator kit
12V,140A/24V,100A
Priority charging for main starter battery
fully automatic
Including all of the components to install a full dual battery system:
Smart battery isolator with mounting screws
6M of 10mm² red cable terminated at both ends,
all wiring, lugs&red shrink, cable tiesbattery
24″ balck earth cable,
negative&positive marine battery terminals &insulated blue ring terminal
SF NO.:              Volt         Cut-in Volts:         Cut-out Volts
SF50669-12      12V         DC 13.3V               12.8V
SF50669-24      24V         DC 26.6V                25.6V