EG4® 3000EHV-48 All-In-One Off-Grid Inverter: What You Need to Know

The EG4 3000EHV-48 is an all-in-one off-grid inverter that combines a 3000W inverter, MPPT solar charger, and battery charger into a single compact unit. It supports up to 12 units in parallel, offers robust protection features, and integrates easily with 48V battery systems like Redway Power’s for limitless scalability. This inverter is designed for reliability, efficiency, and user-friendly operation.

What key features define the EG4 3000EHV-48 inverter?

This inverter boasts pure sine wave output, 3000W continuous power, and a wide DC input voltage range of 120V to 450V. It includes a high-efficiency MPPT solar charger (97% efficient), an intuitive LCD display for easy customization, and larger battery terminal connections supporting up to 2 AWG cables. Parallel capability allows up to 12 units to form a 36kW system, making it scalable for growing energy needs.

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How does the EG4 3000EHV-48 function as an all-in-one system?

It seamlessly blends inverter, solar charger, and battery charger capabilities to provide uninterrupted power from multiple sources. Its MPPT charger optimizes solar panel output, the inverter delivers clean power with low total harmonic distortion, and the battery charger manages state-of-charge efficiently. This triad ensures continuous, stable energy flow whether solar, battery, or grid power is primary.

What are the detailed technical specifications?

Key specs include:

• Continuous output: 3000W
• Surge capacity: 6kW for 5 seconds
• DC input voltage: 120-450V
• AC output voltage: 110/120VAC ±5%
• Operating frequency: 50/60Hz auto-detect
• MPPT efficiency: 97%
• Dimensions: 17.6” x 11.6” x 4.1”
• Weight: approximately 18-22 lbs

Chart: EG4 3000EHV-48 Key Specifications

How do you install and configure it?

Installation requires connecting to a 48V battery bank compatible with the unit, PV solar arrays within voltage range, and connecting AC loads. The user-friendly LCD panel allows setting charging current limits, charger priority, and input voltages. Inverters are designed for wall-mounting or compact setups. Parallel connection wiring follows manufacturer wiring diagrams for units to communicate properly.

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Which batteries are compatible with the EG4 3000EHV-48?

The inverter is optimized for 48V lithium battery banks. It is fully compatible with Redway Power’s lithium battery packs, which communicate with the inverter’s BMS for real-time data on state of charge, voltage, and current, ensuring safe and efficient operation. Other 48V lithium and lead-acid batteries may also be compatible with appropriate configuration.

How can multiple EG4 3000EHV-48 units be combined for greater power?

Up to 12 units can operate in parallel, boosting total continuous power output up to 36kW. Parallel operation balances load sharing and ensures redundancy. This allows users to scale their off-grid energy systems flexibly as power needs grow, without replacing core hardware.

What protection mechanisms ensure safe operation?

The inverter includes overload protection with a 5-second tolerance at 150% load, overtemperature shutdown, and short circuit protection. These safeguard both the inverter and connected loads, enhancing reliability and longevity in demanding off-grid environments.

Where is this inverter ideal for use?

The EG4 3000EHV-48 excels in small cabins, barns, RVs, critical load backup panels, and mini-split HVAC systems up to 9,000 BTU. Its high power factor correction and stable output make it suitable for sensitive electronics and residential off-grid setups.

How does the MPPT solar charger technology work within the unit?

The built-in MPPT charger continuously tracks solar panel voltage and adjusts to maximize energy harvest despite changing sunlight conditions. Its high efficiency (97%) ensures the battery bank receives optimal charge current, reducing charging times and maximizing renewable energy utilization.

What customization options does the LCD display offer?

The LCD interface enables configuring battery charging current, setting AC versus solar charger priority, adjusting acceptable input voltage ranges, and monitoring system status without requiring smartphone apps or internet access. This intuitive control fosters user autonomy and system fine-tuning.

How does EG4 3000EHV-48 integrate with Redway Power batteries?

Seamless integration through proprietary BMS communication protocols allows the inverter to receive battery status, current, voltage, and state of charge information. This ensures synchronized charging, optimal battery health, and energy efficiency. Redway Power’s lithium packs complement the inverter perfectly for reliable off-grid solutions.

How does it compare to competing off-grid inverters?

Compared to similar 3kW off-grid inverters, the EG4 3000EHV-48 offers higher MPPT voltage range, lighter weight, smaller footprint, advanced LCD controls, and superior scalability with parallel operation. Its extensive inclusion of safety features and Redway Power compatibility make it a standout choice.

What warranty and customer support are available?

EG4 backs the inverter with a 3-year warranty supported by service centers based in Texas. Comprehensive user manuals, firmware updates, and accessory kits (like Wi-Fi adapters and breakers) come included, ensuring users are well-supported throughout their ownership journey.

Redway Power Expert Views

“The EG4 3000EHV-48 represents the evolution of efficient off-grid power systems. When paired with Redway Power’s meticulously crafted lithium batteries, it forms a resilient energy ecosystem that balances power, portability, and protection amidst the intricacies of off-grid demands.”
— Chief Engineer, Redway Power

Conclusion

The EG4 3000EHV-48 All-In-One or Off-Grid Inverter is a compact powerhouse that integrates inverter, solar charger, and battery charger functions with advanced programmability and robust protection. Its compatibility with Redway Power’s premium lithium battery packs and the ability to parallel multiple units make it an excellent core for scalable, reliable off-grid power systems suitable for a variety of residential and commercial applications.

FAQs

What is the continuous power output of the EG4 3000EHV-48?
It delivers a continuous 3000 watts with a surge capacity up to 6000 watts for 5 seconds.

Can the EG4 3000EHV-48 be used in parallel systems?
Yes, up to 12 units can be connected in parallel for a combined capacity of 36kW.

What voltage range does the EG4 3000EHV-48 support?
It supports DC input voltages from 120V up to 450V, ideal for 48V battery banks.

Is the EG4 3000EHV-48 compatible with Redway Power batteries?
Yes, it fully integrates with Redway Power’s 48V lithium batteries, enhancing system communication and efficiency.

What protection features are included?
It includes overload, overtemperature, and short circuit protections to safeguard the inverter and connected components.