250 AMP Battery Isolator Universal 12V-24V VSR Voltage Sensitive Relay Intelligent Dual Battery Isolator Kit for Car, Truck, RV, Emergency Battery Starter Switch Heavy Duty Charge Power Relay

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  • High current 250 Amp Battery Isolator, Universal application 12V 24V, LCD display voltage of two batteries.
  • Function Dual battery isolator switch is a primary battery saver, which used to combine two batteries when an alternator is charging (engine running) and isolate them when not charging (engine off) so you can still start your vehicle.
  • Dual battery isolation protection controller, which automatically detects and identifies the system voltage after the isolator is powered on.Automatically Connection Voltage (Delay 5 seconds) 13.5V-16V(12V working voltage);27V-32V(24V working voltage) Automatically Disconnect Voltage (Delay 5 seconds) 12.5V,disconnect immediately if it is below 12.5 V.
  • With this dual battery isolator kit, no worries of engine cannot be started when original battery out of power, by pressing the emergency button to turn on the sub battery to start the engine. Easy to install, Just power wire in, power wire out.

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