Comparing DC-DC Charger vs. Ford ProPower vs. CarGenerator

By Jonathan Schloo | BRN 1342

Navigating Your Off-Grid Power Solutions

In the quest for autonomy away from the grid, particularly among the Airstream community, the dilemma of choosing the most efficient way to charge on-board RV batteries is a common one. Three standout solutions emerge: DC-DC Charger, Ford ProPower and CarGenerator.  All three solutions offer unique benefits tailored to specific needs and travel styles, yet understanding their differences is key to making an informed decision that aligns with your camping lifestyle.

The DC-DC Charger: Efficient While Driving

The DC-DC charger does just one function; it excels in charging RV batteries as you drive. It’s an installation-intensive solution, requiring heavy cabling and potentially drilling holes for mounting, along with the addition of an Anderson plug. This system is perfect for constantly moving travelers who want to ensure their batteries are charged upon arrival at their next destination. However, it’s worth noting the potential impact on vehicle resale value or warranty concerns due to the permanent nature of the installation.

Ford ProPower: Buy a brand new truck with built-in AC power

If you are contemplating the purchase of a new Ford truck, you can add the option of ProPower, which provides between 2,000 and 7,200 watts. You plug in your Airstream main power cord and voila, you have easy simple power everywhere your truck goes. In most cases, the power is available both while underway driving, or stationary at camp.

CarGenerator: AC power from the vehicle you already own

If you like the tow vehicle you already own, then CarGenerator, on the other hand, is a game-changer for those seeking simplicity and flexibility. With no installation or setup required, it offers an out-of-the-box solution that can be easily connected to your vehicle to start charging your RV’s batteries while stationary. This method not only charges the batteries but also activates all AC outlets within the trailer, allowing for the charging of phones, laptops, and powering of TVs and Starlink without the need for an integrated inverter system.

The CarGenerator shines in its versatility, enabling you to position your vehicle up to 100 feet away from your trailer, offering a more discreet and convenient setup. Unlike the DC-DC charger, which has a fixed charge rate, CarGenerator leverages your trailer’s built-in charging system, utilizing AC power for optimal charging efficiency as designed by the factory engineers.

Beyond Battery Charging: The Added Value of AC Power

While the DC-DC charger is focused solely on refilling RV batteries, CarGenerator provides a dual-purpose solution. It not only replenishes your RV batteries, but also supplies 120V AC power to all outlets in your trailer. This feature is particularly valuable for those without a pre-installed inverter system, broadening the scope of electrical appliances that can be used off-grid. You can run hair dryers, make coffee, and recharge laptops, iPads, e-bikes and even battery or solar generators.

For those requiring more substantial power, larger CarGenerator units can deliver up to 3,000 watts, enough to run air conditioners and other high-demand appliances, depending on your vehicle’s alternator capacity. This capability is calculated based on the alternator’s rated amps, halved for idle conditions, then multiplied by 12 volts to estimate the available wattage.

Making the Right Choice for Your Off-Grid Adventures

Choosing between a CarGenerator and a DC-DC charger or ProPower ultimately depends on your camping style, needs, and preference for installation complexity versus ease of use. If you prioritize mobility and minimal setup, CarGenerator offers a simple solution that caters to both charging needs and the convenience of AC power access. For those who spend more time driving between locations and prefer a more integrated approach, a DC-DC charger provides a reliable method to ensure your batteries are always ready for your next off-grid retreat.

Embracing off-grid camping doesn’t mean compromising on power. Whether you opt for the direct charging efficiency of a DC-DC charger or the versatile, installation-free convenience of a CarGenerator, both paths lead to the freedom and autonomy that make the great outdoors truly enjoyable.

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