NVX 500 Amp Mobile Audio Relay Battery Isolator [BIR500]

MP BATTERY ISOLATOR. Great for isolating the second battery to be dedicated to your sound systemUNCONVENTIONAL ISOLATOR. Doesn't create a voltage drop to your second battery unlike common isolators doPOWER HANDLING. Continuous power handling of 500 amps at 12V and surge power handling of 700 ampsPRIMARY BATTERY SAVER. Lengthens the life of the primary battery when your vehicle engine is offELIMINATES BATTERY DRAIN. It helps eliminate multiple battery drain as it stops battery bank from getting power from each on