Big Battery EG4 Chargeverter GC - INV029
The EG4 Chargeverter GC is a powerful and efficient 48V battery charger, built to deliver up to 100A, with a 5120W output. Capable of charging a 5kWh battery in approximately one hour, this advanced charger ensures fast, reliable power delivery to any battery system, and features adjustable charge parameters so you can optimize output for your batteries.
The Chargeverter GC was built with safety and longevity in mind, and not only features a built-in circuit breaker for failsafe protection during operation, but this charger is also protected against unstable sine waves from lower-quality generators, helping to protect system components and guarantee consistent delivery.
Designed for seamless integration with EG4 components, the Chargeverter GC features full closed-loop communications, allowing it to charge intelligently based on the battery’s state of charge. This feature optimizes system efficiency and prolongs battery life, making it an essential component for any serious power storage system. Ensure you’re always powered and prepared with the Chargeverter GC from EG4!
Features
- 5120W Output
- Adjustable Charge Parameters
- Power Quality Protection
- Direct Generator Compatibility
- Dry Contacts
- Closed Loop Communications
- Built-In 125A Breaker
- Integration With EG4 Components
- Cables & Mounting Bracket Included
| AC Input Voltage Range |
90 – 264 VAC |
| AC Frequency |
50 – 60 Hz |
| Max Input Current |
26A @ 240VAC / 28A @ 120VAC |
| Idle Consumption |
~10W |
| Nominal Battery Voltage |
48 VDC |
| Default Charge Voltage |
54 VDC |
| Charge Voltage Range |
43 – 57 VDC |
| Charge Current Range |
0–100A @ 240VAC / 0–50A @ 208VAC / 0–45A @ 120VAC |
| Max Output Power |
5120W @ 240VAC / 3050W @ 120VAC |
| Max Efficiency |
94% @ 240VAC / 92% @ 120VAC |
| Operating Temperature |
14ºF–131ºF (-10ºC–55ºC) |
| Storage Temperature |
5ºF–140ºF (-15ºC–60ºC) |
| Operating Altitude |
0–4291 ft (0–1500 m) |
| Relative Humidity |
5–95% (non-condensing) |
| Protection Rating |
IP21 |
| Interface Connector |
NO, NC & C (RJ11 Jack) |
| Communication Port |
RS485 (RJ45 Jack) |
Dimensions
| Weight |
13 lbs (5.9 kg) |
| Depth |
4.9 in (124 mm) |
| Width |
13.2 in (335 mm) |
| Height |
5 in (127 mm) |
What our Experts Think
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High-efficiency charging: The EG4 Chargeverter GC delivers fast, stable charging with minimal energy loss—ideal for off-grid, RV, and solar-backup setups.
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Versatile compatibility: Designed to integrate smoothly with BigBattery packs, inverters, and most 48V solar systems, reducing setup time and configuration hassles.
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Built for reliability: Rugged construction, smart thermal management, and dependable protection features (over-voltage, short-circuit, temp control) make it a long-life component.
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Optimized for solar users: Handles variable PV input exceptionally well, keeping performance consistent even under fluctuating solar conditions.
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User-friendly: Clear indicators and straightforward connections make it accessible for both first-time DIY installers and seasoned solar enthusiasts.
Q&A
Q: What is the EG4 Chargeverter GC (INV029)?
A: It’s a high-efficiency DC-to-DC charge converter designed to safely charge 12V–48V battery banks using various power sources, improving system flexibility and off-grid reliability.
Q: What batteries is it compatible with?
A: It supports most LiFePO₄ and lead-acid battery banks within its voltage range. Always confirm your specific battery’s charging requirements.
Q: What are the main benefits?
A: Fast, efficient charging; wide input compatibility; built-in safety protections; and a compact, installation-friendly design ideal for off-grid, RV, marine, and backup systems.
Q: Can it charge from solar panels?
A: Yes—when paired with appropriate front-end components, it can accept solar input and optimize charging behavior.
Q: Does it have safety features?
A: Yes, including over-voltage, over-current, thermal protection, and smart regulation to protect both the converter and your battery bank.
Q: Is it easy to install?
A: It’s designed for straightforward wiring and includes clearly labeled connections for quick setup by DIY users or professionals.
Q: What is it commonly used for?
A: Boosting or regulating charge between mismatched systems, enhancing solar charging, and improving energy storage performance in off-grid and mobile setups.
Maintenance Tips
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Keep the Chargeverter in a cool, dry, and well-ventilated area to ensure optimal charging efficiency and long-term reliability.
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Inspect all cables and connections regularly for wear, corrosion, or loose fittings to maintain safe, stable power transfer.
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Clean dust and debris from vents and surfaces using a soft, dry cloth to prevent overheating.
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Avoid exposing the unit to direct sunlight, moisture, or extreme temperatures, which can reduce performance and lifespan.
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Ensure firmware and system settings remain up-to-date if applicable to maintain peak compatibility with EG4 batteries.
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Disconnect the Chargeverter during extended periods of non-use to preserve internal components and safety.
