![]() The 12 Volt battery is not used for engine starting or to power the traction motors but is used to supply power to:Įlectric vehicles such as the Mitsubishi i-miev feature a conventional 12 Volt auxiliary battery in addition to the high voltage traction battery. Most Hybrid vehicles such as the Toyota Prius feature a conventional 12 Volt auxiliary battery in addition to the high voltage hybrid system battery. Once the auxiliary battery is fully charged contact 2 will open to prevent damage to the axuiliary battery and reduce alternator and consequently engine loads to save fuel and reduce emissions. If the system detects a low auxiliary battery voltage contact 2 will remain closed once the engine is running to enable the auxiliary battery to be fully charged by the alternator. The primary battery is being charged by the alternator and the secondary battery is isolated from the circuit. The primary battey supplies the starter motor and the secondary battery supports power supply sensitive components System Conditions – Engine Running To charge your vehicles battery, connect the two-pin connector to the battery tender, as shown below. IC Dual Battery System Operation System Conditions – Start Required IC Dual Battery System Components System components: ![]() Primary and secondary battery voltages are monitored to ensure sufficient voltage is available for the next start event and charge can be supplied to the secondary battery when required. Since this part is designed to be used with the Brake Buddy supplemental braking system you can use the instructions from that part to install the charger. Connect the positive clip from the Battery Tender (or the included ring terminal if necessary) to the positive battery post if the vehicle is using a. This insures that the battery will always have enough power to start the engine and Prolongs battery life by preventing damage due to. When the BPB detects power falling below safe levels (11.8 V by default), it automatically disconnect the battery from the electrical system. ![]() The primary battery supplies power to the starter motor and maintains essential power to the Engine Management System (EMS) which is essential for engine starting. Automatically disconnect the battery from the electrical system. Two contact switches are used to change the power supply into two separate circuits when an engine start is required.Įlectrical power is then supplied to the sensitive electrical components from the secondary battery when an engine start is in progress. The dual battery system isolates all power supply sensitive electrical components which may be affected by low voltage from the primary battery during the engine starting phase. ![]() Auxiliary batteries vary in size and specification dependent on the demands placed on it by the vehicle electrical system and can be used as a safety back-up to support the main battery when required or to provide voltage for specific vehicle systems all of the time. Modern vehicles with CO2 reduction technologies, high levels of specification, and new electronic driver aids may feature an auxiliary battery alongside the main vehicle starter battery or high voltage system battery on Hybrid and electric vehicles. ![]()
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