Simplifies switching. Isolates engine and house circuits. Combines batteries for emergency starting
Tin-plated copper studs for maximum conductivity and corrosion resistance
12/24 Volt DC 120 Amp Automatic Charging Relay (PN 7610) automatically combines batteries during charging. Isolates batteries during engine cranking and when not charging
Includes E-series dual circuit plus battery switch (PN 5511E)
Shares the charge between two batteries more efficiently than a battery isolator