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It is necessary to install an inverter for the secondary battery
When connected to a 12v or 24v deep cycle auxiliary battery - the type of secondary battery generally used in your car or van - an inverter will convert this power to a 110v AC power, the same kind of power running through the wires in your house. This setup is widely used in recreational vehicles, utility vans, and off-grid mobile applications where high-demand. . A dual battery system is a setup that uses two separate batteries in your 4WD: The key idea is simple: Your starter battery is protected. Your accessories run from a second battery, so you never get stranded with a flat main battery. If you need more than 100Ah, you can get two batteries and wire them in parallel to double your power capacity.
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