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The Blue Sea Systems Batterylink 12/24 Volt 120 A , Automatic Charging Relay combines batteries during charging and isolates batteries when discharging. Supports High Output Alternators with continuous rating up to 120 Amps.
The BS2127 Maxibus allows you to connect multiple wires or power multiple circuits. The 4 stainless steel stud terminals eliminate the use of nuts and lets you torque tightly for excellent electrical contact.