Installing a dual battery system in your 4WD vehicle can offer several benefits, especially if you frequently go off-roading, camping, or engage in activities that demand additional power. Reasons why you might want to consider installing a dual battery system include power for accessories, extended camping trips, emergency backup, increased electrical load, safety, isolation, powering a camper trailer or caravan, redundancy and flexibility.
Why Choose Automotive Superstore to Install your Dual Battery System?
As one of Australia’s largest online retailers of 4WD parts and accessories, we stock all the best products by the finest brands from the world's leading manufacturers, and benefit from priority supply and some of the best acquisition costs in the country. Accordingly, our Sydney-based showroom and installation team are able to source whatever you need, and are often able to offer prices not possible from competing stores, ensuring you get the very best dual battery management system at the most cost effective price, fitted by the most competent and experienced installers around.
Experience the Automotive Superstore difference today:
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Our extensive range of automotive and offroad electrical products allows us to be completely brand agnostic when it comes to providing you with the very best dual battery system for your application. Whether you are after your a simple battery isolator to disconnect the deep cycle battery from the starting battery when the engine is off, a proper DC-DC charger, or a more sophisticated battery management system, we've got you covered. For the widest range of dual battery systems to choose from, the most expert sales advice and the highest quality installation in Sydney, talk to Automotive Superstore about your power upgrade today.
Dual Battery System Installation Prices
*Price of installation includes labour only. Additional hardware and consumables, such as wiring conversions, driver circuit installation and any related mounting hardware may incur an additional charge. Exact price is dictated by the unique complexity of the product to be installed and difficulty of installation into your particular vehicle.
Reasons to Install a Dual Battery System
- Power for Accessories: Off-road enthusiasts often use various accessories such as winches, high-powered lights, refrigerators, air compressors, and more. A dual battery system provides a separate power source to run these accessories without draining your primary starting battery, ensuring you can still start your vehicle when needed.
- Extended Camping Trips: If you enjoy extended camping trips or overlanding, a dual battery setup allows you to power your camping appliances and devices without worrying about draining the main battery. This is particularly important to ensure you can start your vehicle and drive back once your trip is over.
- Emergency Backup: Having a secondary battery can act as an emergency backup in case your primary battery fails. This can be crucial in remote locations where assistance may not be readily available.
- Increased Electrical Load: Modern 4WDs often come equipped with advanced electronics, including GPS systems, communication devices, and entertainment systems. These can put a strain on your primary battery. A dual battery system helps distribute the electrical load and prevents a complete power failure.
- Safety: If you're using your 4WD for rescue or recovery missions, having a dual battery system can be critical. It ensures you have enough power to operate winches and other recovery equipment without risking battery depletion.
- Isolation: Some dual battery systems include isolation features that prevent discharging your primary battery while using the secondary battery. This ensures that you always have a functional starting battery.
- Powering a Camper Trailer or Caravan: If you're towing a camper or trailer, a dual battery system can power the trailer's lights, appliances, and other electrical systems without drawing power from the main vehicle battery.
- Redundancy: In extreme conditions or challenging terrain, a dual battery system provides redundancy. If one battery fails due to extreme temperatures or other factors, you still have a backup source of power.
- Flexibility: Dual battery systems can be customized to suit your specific needs. You can choose different battery types (e.g., deep cycle, AGM, lithium), sizes, and configurations to match your power requirements.
Installation Gallery
Our Locations in Sydney
Our showroom and installation facility is located in Castle Hill in northwest Sydney. Expansive in area and equipped with all the necessities needed to carry out all manner of car modification, including a 2 and 4-post hoist for wheel and undercar work, our installation facility is second to none. Reach out to us here at Automotive Superstore to discuss your installation needs, and book your installation today.
Dual Battery System Installation FAQs
Some 4WDs have two batteries to provide additional power for various purposes. The primary reason is to ensure a reliable power source for accessories and equipment, such as winches, fridges, lighting, and communication devices, without draining the vehicle's main starting battery. The second battery, often called an auxiliary battery, is dedicated to powering these accessories while preserving the main battery's capacity for starting the engine. Having two batteries also reduces the risk of being stranded due to a dead battery in remote locations or during extended off-road trips.
Installing a dual battery system in a vehicle involves a few key steps. First, select a suitable location for the auxiliary battery, considering factors like available space, weight distribution, and ease of access. Next, connect the auxiliary battery to the main battery using appropriate-sized cables, ensuring proper polarity. Install a battery isolator or a voltage-sensitive relay (VSR) to manage the charging and discharging of the batteries, preventing the auxiliary battery from draining the main battery. Finally, connect the desired accessories or equipment to the auxiliary battery and secure all connections properly. Professional installation is recommended for optimal safety and performance.
Yes, a battery isolator is highly recommended for a dual battery system. A battery isolator ensures the separation of the main battery and the auxiliary battery, preventing any potential drain on the main battery when using accessories connected to the auxiliary battery. It allows the auxiliary battery to charge when the engine is running and isolates it when the engine is off, ensuring that the main battery retains its charge for starting the vehicle. Battery isolators come in various types, such as diode-based isolators, solenoid-based isolators, or modern electronic isolators like DC-DC chargers. The choice of isolator depends on your specific requirements and preferences.
Your manufacturers warranty covers myriad aspects of your vehicle. No single modification has the capacity to completely void your entire manufacturers warranty, which must be consistent with Australian Consumer Laws. With that said, in some cases, modifying particular aspects of your vehicle can create grounds for manufacturers to refuse a warranty claim is you have substantially modified the OEM wiring, parts or functionality of the vehicle.
Our installation facility is not accessible to the public and is constantly monitored by CCTV. With that said, we are unable to take responsibility for personal effects and other items not part of the vehicle being worked on. Accordingly, for simplicity and peace of mind, it is advisable you remove any valuables from the vehicle prior to leaving it with us or anyone else. Removing your personal items from the vehicle will also negate any need for us to work around, move or so much as touch your personal items, thus will make it easier for us to perform the tasks we need to get the job done for you in an efficient and timely fashion.
Yes, we offer a lifetime warranty on our work. This includes aftermarket wiring, mountings and fasteners and other things we might add to your vehicle. The products themselves are covered by their relevant manufacturer’s warranty which is bolstered by Australian Consumer Law, which requires the product be fit for purpose and reasonably durable.