![]() For this reason, it may be best to avoid panels with built-in regulators if you want the panel to be mobile and positioned away from your vehicle – resulting in a long cable and noticeable voltage loss. On that note, it’s best to have your regulator as close to the battery as possible in order to limit voltage loss between the two. ![]() If your vehicle is equipped with an on-board / installed dual-battery system, you simply connect the panel to the regulator, and the regulator to the terminals of your auxiliary battery. It should also be noted that some panels have built in regulators, so be sure to check this before you purchase your panel. PWM regulators may not be as efficient, but they are basic in function, reliable, and low cost. MPPT units are generally more costly, but noticeably more efficient in terms of how much energy they extract. Typically speaking, regulators are either MPPT or PWM in design. In short, the regulator is what converts the panel’s high voltage into a voltage that’s suitable for your battery which means, the regulator must support your panel’s current and voltage rating. Simply put: A solar panel, a regulator, some heavy-gauge cabling, and of course, an auxiliary battery.Īlthough solar panels may vary in cost and quality, what’s just as important, is the regulator that goes with it. With this in mind, here’s a basic guide on how to connect a solar panel to your dual-battery system or Portable Power Pack. ![]() Aside from having free energy to power your camping fridge, a solar panel can also be used to maintain your auxiliary battery for optimum service life. Whether you’re a weekend camper or long-haul overlander, there’s no denying the convenience of a solar setup.
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