Get 5% off for your first subscription！
Get a Power Queen hoodie with orders over $800
DC-DC Chargers
Power Queen 12V 40A DC to DC Battery Charger
[Exquisite Design & Simple Operation] Small, light, and exquisite, the Power Queen 12V DC-DC battery charger has a compact design, and the dimensions are 5.83*1.89*7.44 inches, so it can save more space for your vehicle. The additional components, Anderson connectors, bring simple connection and operation in the installation process, less trouble for you during setup. The visual LED indicators let you easily know the charging status.[High-level Safety Secured & Reverse Charge Function] Power Queen 12V DC-DC battery charger can protect the battery from over-charging, over-voltage, and over-temp, and it has BMS protection for LiFePO4 batteries. Besides, this charger can activate the LiFePO4 battery when the BMS inside the battery shuts off. Where necessary, the service battery can charge the starter battery, protecting the starter battery and alternator from damage.[Dual Input Charging】Power Queen 12V DC-DC battery charger supports charging the service battery through the generator and solar panels, achieving 100% fully charged on the service battery. The advanced built-in MPPT function of the charger maximizes solar power and brings a high charging efficiency at a proper voltage and charging phase.[Great Compatibility & More Options] Power Queen 12V DC-DC battery charger is compatible with various battery types, such as Lithium batteries, AGM, Gel, SLA, and CA, and offers you more options and a more flexible lifestyle. The charger can meet your multiple needs for charging the service battery in various application scenarios, such as RV, trailer, camper, truck, yacht, marine, etc.[24-hour Timely Service] Power Queen struggles to provide every customer with the safest product and the most professional service. If you have any questions, we'll offer one-on-one technical support to analyze consumers' problems within 24 hours.
$159.99
FAQS
Q:What is a DC-DC charger?
A DC-DC charger transfers and regulates electricity from a vehicle's alternator to safely charge a secondary battery, resulting in optimal charging for lithium and other battery types. Related reading: What Does A DC-DC Battery Charger Do.
Q:What kind of alternator do Power Queen DC to DC on-board battery chargers work with?
The Power Queen DC-DC battery chargers work with both traditional and smart alternators. However, because traditional alternators deliver a constant voltage during charging but smart alternators vary their output dependent on operational conditions, the charger must be connected to the smart alternator via the Vehicle Ignition Port with the supplied Signal connection.
Q:Can I use Power Queen DC-DC charger for lithium and lead-acid batteries?
Yes, the Power Queen DC-DC charger is compatible with 12 volt lithium, gel, AGM, and calcium batteries. This charger allows the batteries to reach 100% charge. Furthermore, it may jump start lithium batteries that have been discharged to a low voltage.
Q:Is it safe to use Power Queen DC-DC charger with my vehicle's alternator?
Yes. The Power Queen DC-DC battery chargers incorporate high-quality safety features such as over-voltage protection, low-voltage protection, over-temperature protection, short circuit protection, and output reverse polarity protection to ensure safe operation. It also separates the input and output to eliminate voltage transfer mistakes and interference during home battery charging.
Q:How do I know if the charger is working properly?
The charger incorporates LED indicators that display the charging state.
Q:How does the DC-DC charger differ from a regular AC charger?
A DC-DC charger converts the voltage of one battery bank to another. It's great for charging a 12V battery using a vehicle's electrical system, whereas an AC charger requires an external AC power source (such as a wall outlet).