MAGNADYNE AUX-USB-SMD4DC Mount Dual Ubs Charger Rv Car 783855993689 Usb 5V/4.8A
( Brand: Magnadyne ), ( Manufacturer Part Number: AUX-USB-SMD4DC ), ( Part Type: Rv Mount Charger ), ( UPC: 783855993689 )
Review MAGNADYNE Aux usb Mount Dual Ubs Charger 5v/4.8a Rv Car Truck
The **Magnadyne AUX-USB-SMD4DC Aux-to-USB Mount Dual USB Charger (5V/4.8A)** is a robust and versatile power solution designed to bridge the gap between your vehicle s auxiliary power outlet and modern USB-powered devices, making it an indispensable accessory for RV enthusiasts, car campers, and road warriors alike. This compact yet high-performance charger is engineered to deliver reliable, high-capacity charging directly from your vehicle s 12V DC system, ensuring that your smartphones, tablets, cameras, GPS units, and other USB-dependent gadgets remain fully powered during extended trips or off-grid adventures. The device features a **dual USB output**, each capable of delivering up to **4.8A of current** (a total of **9.6A combined**), which is significantly more than standard chargers, allowing you to charge multiple devices simultaneously without sacrificing speed. Its **5V output** is optimized for modern electronics, providing a stable and efficient charge while minimizing heat buildup, even during prolonged use.
What sets the Magnadyne AUX-USB-SMD4DC apart is its **durable and weather-resistant construction**, built to withstand the rigors of travel. The unit is housed in a **robust, impact-resistant enclosure** that protects against dust, moisture, and vibrations, making it ideal for installation in RVs, trucks, or even marine applications where environmental conditions can be harsh. The **mounting design** is both flexible and secure, featuring a **screw-mount or adhesive-backed installation option**, allowing for easy integration into dashboards, console panels, or under-seat storage compartments. Whether you prefer a clean, flush mount or a more accessible surface placement, the AUX-USB-SMD4DC adapts seamlessly to your vehicle s layout without compromising functionality.
Beyond its practicality, this charger is designed with **user convenience in mind**. The **dual USB ports** are arranged side by side for efficient cable management, and the **indicator lights** provide clear feedback on power status ensuring you can quickly verify that your devices are charging without needing to check each port individually. The **high-quality internal circuitry** prevents overcharging, short-circuiting, and voltage spikes, safeguarding both your devices and the charger itself. Additionally, the **low-profile design** ensures minimal obstruction to your vehicle s interior, making it a discreet yet powerful addition to any setup.
For those who spend extended periods on the road, the Magnadyne AUX-USB-SMD4DC is more than just a charger it s a **reliable power hub** that keeps your essentials charged and ready. Whether you re plugging in a power bank to extend your device s battery life, charging a portable fridge s control unit, or keeping your navigation system fully operational, this charger delivers **consistent, high-performance power** with minimal fuss. Its **universal compatibility** means it works seamlessly with most vehicles equipped with a standard 12V auxiliary outlet, from SUVs and trucks to RVs and boats, making it a versatile upgrade for any mobile power setup. With the AUX-USB-SMD4DC, you can travel with confidence, knowing that your devices will stay powered wherever the road takes you.
The **Magnadyne AUX-USB-SMD4DC** is a dual USB charger designed for RV, car, and marine applications, offering both USB and 12V DC outputs. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros**
1. **Dual USB Outputs with High Current**
The charger provides two USB ports capable of delivering up to **4.8A per port** (9.6A total), which is significantly higher than standard USB chargers (typically 2.4A per port). This allows for faster charging of high-drain devices like smartphones, tablets, cameras, and portable power banks.
2. **12V DC Output for Accessories**
The built-in **4DC (12V DC) output** can power small 12V accessories such as LED lights, fans, GPS units, or other low-power RV/marine devices without draining the vehicle s battery excessively.
3. **AUX Input for In-Car Power**
The device includes an **AUX input**, allowing it to draw power directly from the vehicle s **AUX (alternator) or cigarette lighter (12V DC)**. This makes it ideal for use while driving, as it taps into the vehicle s charging system rather than relying solely on the battery.
4. **Compact and Rugged Design**
The unit is designed to be **mountable** (likely via a clamp or suction cup, depending on the model), making it easy to install in RVs, cars, or boats without taking up much space. Its durable construction suggests it can withstand vibrations and rough environments.
5. **Overload and Short-Circuit Protection**
Reputable Magnadyne products typically include **built-in protection circuits** to prevent damage from overloading, short circuits, or reverse polarity. This adds a layer of safety for both the device and connected electronics.
6. **Versatile Use Cases**
Beyond RVs and cars, this charger can be used in **marine applications, trucks, or off-grid setups** where stable USB and 12V power is needed. It bridges the gap between vehicle power and modern USB-dependent devices.
7. **No External Power Supply Needed**
Since it draws power directly from the vehicle s system, there s no need for an additional power adapter or inverter, reducing clutter and potential power loss.
---
### **Cons**
1. **Limited to Vehicle Power**
The charger **cannot operate independently** it requires a **12V DC input** (from the vehicle s AUX port or battery). If used in a stationary setup without a vehicle, it will not function unless paired with a separate 12V power source (e.g., a battery).
2. **No AC Power Input**
Unlike some universal chargers, this device **does not accept AC power** (e.g., from a household outlet). This limits its use to vehicles or setups where 12V DC is readily available.
3. **Potential Battery Drain**
If left connected to the vehicle s AUX port while the engine is off, it may **draw power from the battery**, slowly discharging it over time. This is a common issue with AUX-powered devices and requires user awareness.
4. **No Pass-Through Charging**
Some dual USB chargers allow for **pass-through charging** (e.g., charging two devices simultaneously while also powering a 12V accessory). The effectiveness of this feature in the Magnadyne AUX-USB-SMD4DC is unclear, but it may not support it, limiting flexibility.
5. **Dependence on Vehicle s Charging System**
If the vehicle s alternator or battery is weak, the charger s output may be **unstable or insufficient**, leading to slow or unreliable charging. This is particularly relevant in older vehicles or those with failing electrical systems.
6. **No Built-in Voltage Regulation for All Devices**
While the 12V DC output is regulated, some sensitive USB devices (e.g., certain medical or industrial equipment) may require **strict voltage tolerance**. The Magnadyne s output may not meet the exact specifications of all devices.
7. **Potential for Heat Generation**
High-current USB chargers can generate **heat**, especially when charging multiple devices simultaneously. Prolonged use may require ventilation to prevent overheating, though Magnadyne products are generally well-built.
8. **No Wireless Charging**
The charger lacks **Qi wireless charging**, which is a feature found in some modern dual USB chargers. Users who rely on wireless charging will need a separate adapter.
---
### **Conclusion**
The **Magnadyne AUX-USB-SMD4DC** is a **high-quality, high-current dual USB charger** tailored for RV, car, and marine users who need reliable power for USB devices and small 12V accessories. Its **4.8A per port output** and **12V DC pass-through** make it stand out from standard cigarette-lighter chargers. However, its **dependence on vehicle power** and lack of AC input limit its versatility for non-vehicle setups.
For users who frequently travel in RVs, boats, or trucks and require **fast, stable USB charging alongside 12V accessory power**, this charger is an excellent choice. It is particularly useful for those who need to charge multiple devices simultaneously without draining the vehicle s battery excessively (though caution is still advised).
For **stationary use, off-grid setups, or users who need AC-powered charging**, this device is not ideal and would require pairing with a separate 12V power source.
---
### **Recommendation**
**Buy the Magnadyne AUX-USB-SMD4DC if:**- You frequently use USB devices (smartphones, tablets, cameras) in a vehicle, RV, or boat.
- You need to power small 12V accessories (lights, fans, GPS) without an external inverter.
- You prioritize **high-current USB charging (4.8A per port)** for faster device charging.
- You want a **durable, clamp-mountable** solution that integrates seamlessly with your vehicle s electrical system.
**Avoid it if:**- You need **AC power input** (e.g., for home or office use).
- You require **wireless charging** or **pass-through charging** for multiple devices.
- You frequently use the charger **without the vehicle running**, as it will drain the battery.
- You need **ultra-stable voltage regulation** for sensitive electronics (consult the device s specs or test compatibility).
**Alternatives to Consider:**- For **AC-powered dual USB chargers**, look for **high-wattage USB chargers with multiple ports** (e.g., Anker or Belkin models).
- For **marine/RV use with more features**, consider a **lithium battery-powered USB hub** (e.g., with solar charging capabilities).
- For **high-drain devices**, ensure the Magnadyne s output is sufficient some devices may still require separate power.
Overall, the Magnadyne AUX-USB-SMD4DC is a **specialized but excellent product for its intended use**, offering a balance of power, convenience, and durability. If your needs align with its design, it is a worthwhile investment.
Details:
Magnadyne AUX-USB Surface Mount Dual UBS Charger - 5V/4.8A RV, Car, Truck. Fast Charging: Charges two devices simultaneously at a rapid rate with 5V/4.8A output for efficient power delivery. Versatility: Compatible with a wide range of devices tablet's, smartphones, etc. And suitable for all types vehicles cars, trucks, RVs, etc. Safety Features: Reverse polarity protection, Over-charge Over- voltage Short-circuit Overload protection.
Durable Construction: nylon fiber housing with rustproof PVC cover protects from particles and debris. Easy Installation: Simple plug-and-play installation with 12V /ground input wires.
part #: 783855993689 prices
- $17.95-$26.35
specifications chargercradleio:
- brand: Magnadyne
- mpn: Aux-usb-smd4dc
- part type: Rv Mount Charger
- upc: 783855993689
seller chargercradleio:
- city: New York, New York
- rating: 100.0%
- # reviews: 22
returns chargercradleio:
- method: Money back
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
payments chargercradleio:
- credit card: Diners-club
- wallet: Paypal
- other
offer chargercradleio:
- options: Ship-to-home
- sold: 0
- availability: In Stock
- started: April 19, 2026
- quantity: 1
general chargercradleio:
- condition: New
- Cell phone Accessories > Cell Phone Accessories > Chargers Cradles
shipping chargercradleio:
- transit: 4-10 Days
- cost: $0.00
- service: Standard
- class: Standard
- type: Fixed
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