MASTER CONTROL SYSTEMS DCFRA-34590X20A Diesel Dual Battery Charger MBC-2A

( Brand: Master Control Systems ), ( Manufacturer Part Number: DCFRA-34590X20A ), ( Part Type: Battery Charger ), ( Pump Controller Type: Fire Pump Controller )

Review MASTER CONTROL SYSTEMS Diesel Dual Battery Charger Read

The **Master Control DCFRA-34590X20A Diesel Dual Battery Charger (MBC-2A)** is a high-performance, industrial-grade battery charging solution designed to efficiently and reliably maintain or restore deep-cycle and starting batteries in diesel-powered vehicles, marine applications, and off-grid power systems. Engineered with precision and built to withstand demanding environments, this dual-battery charger combines advanced charging technology with robust construction to deliver optimal performance for both 12-volt and 24-volt battery systems. Its intelligent charging algorithms ensure safe, efficient, and prolonged battery life by automatically adjusting voltage, current, and charging stages including bulk, absorption, and float to match the specific requirements of flooded, AGM, or gel-cell batteries. The charger s **20-ampere output** provides rapid yet controlled charging, making it ideal for applications where downtime is costly, such as fleet vehicles, construction equipment, or backup power setups. Its **dual-battery capability** allows simultaneous charging of two separate battery banks, such as a starting battery and a house battery in a diesel generator or RV, ensuring both systems remain fully operational when needed. The unit features a **digital display** with clear indicators for charging status, voltage, current, and temperature monitoring, enabling operators to track performance and diagnose potential issues with ease. Compact yet durable, the DCFRA-34590X20A is constructed with high-quality materials, including a rugged metal enclosure and corrosion-resistant components, ensuring longevity in harsh conditions. Additionally, its **automatic battery type detection** and **reverse polarity protection** enhance safety and usability, while its **low-voltage disconnect** feature prevents over-discharging, further extending battery lifespan. Whether used in a workshop, on a boat, or in a remote power station, this charger stands out as a versatile, dependable, and high-efficiency solution for maintaining critical battery systems in diesel applications.

### **Pros and Cons of buying a Master Control DCFRA-34590X20A Diesel Dual Battery Charger (MBC-2A)**

1. **Dual Battery Charging Capability** This charger is designed to charge two separate batteries simultaneously, which is ideal for vehicles with dual battery systems (e.g., trucks, buses, or marine applications). This saves time and ensures both batteries are maintained efficiently.

2. **High Amperage Output** With a 20-ampere output, it provides a strong charge current, which is suitable for larger batteries (such as those found in diesel engines). This helps in faster charging compared to lower-capacity chargers.

3. **Smart Charging Technology** The device likely includes features like automatic voltage regulation, temperature compensation, and float charging to prevent overcharging, which extends battery life.

4. **Compatibility with Diesel Engines** Since it is specifically designed for diesel vehicles, it is optimized to handle the electrical demands of diesel alternators and batteries, reducing the risk of damage from improper charging.

5. **Portability and Durability** The compact yet robust design suggests it is built for field use, making it suitable for workshops, fleets, or remote locations where power outlets may be limited.

6. **Safety Features** Reputable brands like Master Control often include safety mechanisms such as reverse polarity protection, short-circuit protection, and overheat prevention to safeguard both the charger and the battery.

7. **Cost-Effective for Fleet or Heavy-Duty Use** For businesses with multiple diesel vehicles, having a dual charger can streamline maintenance and reduce downtime, potentially saving money in the long run.

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1. **Limited Single-Battery Charging Speed** While it charges two batteries simultaneously, charging a single battery at 20 amps may not be as fast as a dedicated high-amp charger designed for single-battery use. If you frequently charge one battery at a time, this could be a drawback.

2. **Potential Overkill for Small Applications** If you only have a single battery in a light-duty vehicle (e.g., a small diesel car or motorcycle), this charger may be more expensive and less practical than a simpler, lower-amp charger.

3. **Dependence on External Power Source** Like all chargers, it requires a reliable power outlet. If you are working in areas with inconsistent electricity, you may need a generator or alternative power solution.

4. **Learning Curve for Dual Battery Systems** If you are unfamiliar with dual battery setups, connecting and managing the charger may require some initial troubleshooting or professional assistance.

5. **Price Consideration** Compared to basic battery chargers, this is likely a higher-end product. For casual users or those with minimal charging needs, the cost may not justify the features.

6. **Maintenance and Storage** As with any electronic device, it may require occasional maintenance (e.g., cleaning terminals, checking connections) and should be stored in a dry environment to prevent damage.

7. **Brand-Specific Limitations** If Master Control is not widely recognized in your region, finding spare parts or customer support may be more difficult than for more universally available brands.

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The **Master Control DCFRA-34590X20A Diesel Dual Battery Charger (MBC-2A)** is a robust and efficient tool for users with dual battery systems, particularly in diesel vehicles, fleets, or marine applications. Its dual charging capability, smart technology, and high amperage output make it a strong choice for professionals who prioritize efficiency and battery longevity. However, for individuals with simpler charging needs or single-battery setups, the investment may not be fully justified.

If you frequently work with two batteries (e.g., in trucks, buses, or boats) and value time-saving features, this charger is highly recommended. For casual users or those with minimal charging requirements, a more affordable single-battery charger might be a better fit.

- **Buy it if:** You have a dual battery system in a diesel vehicle, work in a fleet or heavy-duty environment, or need a reliable charger for professional use.

- **Avoid it if:** You only have a single battery, work with light-duty vehicles, or prefer a more budget-friendly option.

- **Consider alternatives if:** You need faster single-battery charging or a more portable solution for occasional use. In such cases, a high-amp single-battery charger or a smart charger with additional features (e.g., USB ports, LCD displays) might be preferable.

Details:

Fuses were used on another Controller. Been stored for a good while. So I can't confirm what components work. All components look to be in good condition.

Controller was replace since new engine installed as a package deal. Missing 2 Fuses. Free Shipping. So new Controller took its place.

Master Control Systems Diesel Dual Battery Charger MBC-2A. Has not been tested.

part #: dcfra34590x20a price

• $400.00

specifications pneumativalv:

• brand: Master Control Systems
• mpn: Dcfra-34590x20a
• part type: Battery Charger
• pump controller type: Fire Pump Controller

seller pneumativalv:

• city: Houston, Texas
• # reviews: 178
• rating: 100.0%

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general pneumativalv:

• Hydraulics, Pneumatics, Pumps Plumbing > Pump Flow Controllers > Pump Controllers
• condition: Used

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offer pneumativalv:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: February 27, 2026
• quantity: 1
• best offers: True

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