![]() The fact is that the best location for the install of secondary battery depends on your vehicle. In years gone by an under the bonnet install was a common occurrence, but not anymore, due to a lack of space and higher levels of heat being generated from the engine. ![]() This can be a tricky process and really depends on your vehicle. This is because, for all the things a computer in a smart alternator vehicle knows, it does not consider the secondary battery’s state of charge, type or location in the vehicle in its calculations.īattery Blues Most vehicles are built with just one starting battery, so installing a second battery for auxiliary purposes is required to increase capacity and allow loads to be run when the vehicle is off. Widespread implementation of smart alternators means that the once trusty process of parallel charging from the start battery to the secondary battery is not effective in vehicles equipped with this technology. This renders it unsuccessful at charging a secondary battery to a usable level when the secondary battery is paired in to the start battery in the traditional way. The vehicles engine computer sends a signal to the smart alternator telling it to only produce enough charge to cover the calculated load, this is to reduce the electrical load, and in turn, the mechanical load on the engine contributing to better fuel economy. The fixed voltage alternator produces sufficient voltage to successfully charge a secondary battery, whereas smart alternator technology adjusts its output voltage based on the vehicle operating conditions and electrical load. There are two common types of alternators, the traditional fixed-voltage alternator and the now most common smart alternator which is fitted to most vehicles manufactured after 2011. stereo, air conditioning, engine cooling fan etc. Understanding Alternators The alternator is the power supply used by the vehicle to recover its start battery from the engine starting process and provide power to its electrical consumers once running – eg. If you want more freedom away from the city limits, one of the first areas which you should look to improve is the vehicle’s electrical setup. With an endless list of potential accessories and modifications available, it can be a daunting process when looking to pimp out your new 4×4, and there are some mods that should have a higher priority placed on them than others. However, in recent years the product and market has changed, and the dual cab has become a vehicle style of choice for recreation and four wheeling, drivers with towing requirements. In days gone by the Four Wheel Drive was primarily used by tradies and farmers because of it’s ruggedness and ability to carry passengers as well as tools and equipment.
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