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Make 4 interest-free payments of 72.49 with. Automatically charges auxiliary battery. 12V 40A DC to DC Battery Charger MPPT System Kit Isolator Dual Battery.Over current and surge protected for vehicles with electronic systems.Includes mounting bracket that houses the 4"x4"x2" Isolator.This voltage sensitive relay ( VSR ) is an automatic charging relay for dual. Priority charging for starting battery. Advanced Dual Battery Isolation with Override Switch - Allows Reverse Charging.Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump starting.
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Battery isolator (or split charge relay) allows an auxiliary battery to be charged by the vehicle's system, yet prevents the starting battery from being run down by your equipment when the engine is off. Our high-performance electronic isolator allows you to charge two batteries from a single alternator, and keeps the starting battery isolated from the second battery. 12 volt and 24 volt Smart Battery Isolators with 80+ amps pass through and solid-state control 180 Amp hybrid battery isolator. Smaller and lighter than other standard battery isolators, the Battery Doctor® Battery Isolator employs electronic switching control technology. Our new state-of-the-art, fully automatic dual battery controller is suitable for any vehicle with an auxiliary battery.