PAC Battery 12v Monitor + 200Amp Battery Isolator Kit

Battery Monitor + Isolator Kit BG-12 BATTERY GUARD 12 VOLT Microprocessor that constantly monitors the voltage available LED changes color with state of battery: green at 12.4v or higher, yellow below 12.4v, red at 11.5v or lower Below 11.6v, the monitor turns off the vehicle's sound system Progressively resets as the battery recharges, turning the head unit back on at 12.4v Accurate to within 0.1v DC Connects to the dash lamps to dim the LED at night SGP32 The 200 Amp Relay and Isolator prevents primary battery discharge and ensures maximum current discharge. This product is ideal for 2nd audio battery isolation from vehicle systems, its high current relays are the most reliable and efficient way to add secondary batteries to your system.