Blue Sea ACR Charging Relay with Control Switch

Automatically charges two separate batteries. Isolates the starter battery from the booster battery so you don't run out of starting power. The built-in switch can also combine the power of both batteries when extra power is needed. The included remote control switch allows you to: combine the batteries (On) or isolate them (Off).
Waterproof - IP66.
Maximum starting load: 1450 A for 30 seconds.
Maximum load for 5 minutes: 700 A.
Continuous load: 500 A.
Approvals: CE, ISO 8846, SAE J1171.