If you’re using an auxiliary battery in your outdoor power setup, you’ll almost certainly need a DC/DC charger. A DC/DC charger serves the purpose of efficiently managing and regulating the flow of electrical power between two Direct Current (or DC) power sources. Usually this involves taking charge from your vehicle’s alternator or your solar panels, and using it to charge your auxiliary battery. A DC/DC charger will ensure your auxiliary battery receives a stable and appropriate charging voltage, preventing damage caused by overcharging or undercharging. This is crucial for maintaining the health and longevity of your auxiliary battery.