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Isolators are also used in vehicles with large, high-power car stereos and off road vehicles to accommodate high current loads such as a recovery winch. A battery isolator helps to ensure that the starting battery has sufficient power to start the engine and recharge the batteries if, for example, loads on the auxiliary battery (e.g., refrigerator or navigation lights) cause it to be drained, or if an auxiliary battery fails. Mount the Battery Isolator in a convenient location as near to the alternator. It can be fitted to all 12V vehicle types. Run the wire to the circuit breaker and connect it to the AUX terminal.
BATTERY ISOLATOR WIRING INSTALL
Uses īattery isolators are commonly used on recreational vehicles, boats, utility vehicles, airplanes, and large trucks where one battery is dedicated to starting and running the engine and another battery or batteries run accessory loads (e.g., winches, radar, instruments, etc.). Recommended Parts for Wiring an Li-BIM Lithium Battery Isolator. Easy to Install The electronic isolator does not require any changes to the vehicles existing wiring. The disadvantage to an isolator is added cost and complexity, and if a diode-type isolator is used (which is very common) there is additional voltage drop in the circuit between the charging source and the batteries. This is beneficial because a weak or dead battery will drain the charge from a strong battery if both are connected directly together.