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BigBattery | 5120W | Chargeverter | EG4 Chargeverter GC

BigBattery

$549.99
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SKU:
INV029
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Direct Factory Delivery: Ships directly from wholesale warehouse with scheduled liftgate delivery & tracking.
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The EG4 Chargeverter GC takes standard AC power — from the grid or a generator — and turns it into DC output to charge your battery bank. It's built for off-grid sites, generator backup charging, and battery-bank top-offs where you need a dedicated AC-to-DC charging path, not a full inverter.

The EG4 Chargeverter GC is a Chargeverter: it takes AC input (from grid or generator) and converts it to DC output to charge a battery bank. It is not a hybrid or off-grid inverter, and it does not produce AC output for loads. Note: If you would like to review the manufacturer Product Specifications, Warranty, Brochure, etc., for this system, please refer to the "Resources (System Manuals and Warranty)" Tab above on this page.

Critical Power & Interconnection Requirements

  • Continuous Output: 5120W (charging output — treat as continuous rating; no separate surge figure provided in manufacturer data)
  • Built-in 125A breaker for circuit protection
  • Direct generator compatibility for AC input source
  • Adjustable charge parameters for tailoring charge profile to your battery bank
  • Dry contacts included for external signaling/monitoring integration
  • Closed-loop communication supported with EG4 components
  • Does NOT function as a grid-tie or hybrid inverter — no AC load output, no grid sell-back capability
  • AC output voltage, DC battery voltage window, and MPPT/PV specs are [NEEDS VERIFICATION] — not provided in manufacturer data
Pro-Installer Tip:

Chargeverters get miswired more often than full inverters because installers assume AC-out terminals exist — they don't. Before you land any conductors, confirm with your prints which terminals are AC input versus DC output; reversing them can trip the built-in 125A breaker repeatedly or damage the battery BMS on first connection. Verify polarity and voltage present at the DC output terminals with a digital multimeter before connecting the battery bank, and torque all lugs to the terminal manufacturer's spec to prevent high-resistance heating under sustained 5120W charge current. On generator-fed installs, confirm your generator's neutral-ground bonding scheme against the Chargeverter's dry contact and closed-loop wiring per NEC Article 706 (energy storage systems) before energizing — a floating or double-bonded neutral is a common source of nuisance fault codes on first startup.

Key Benefits

  • 5120W of dedicated charging output for fast battery-bank replenishment
  • Built-in 125A breaker simplifies circuit protection and code compliance at the panel
  • Adjustable charge parameters let you match charge voltage/current profiles to your specific battery chemistry setup
  • Direct generator compatibility supports off-grid and backup charging workflows without an intermediate inverter
  • Closed-loop communication with EG4 components allows coordinated charge management
  • Cables and mounting bracket included, reducing separate hardware purchases at install

Technical Table

SpecValueUnit
Continuous Output5120W
Built-In Breaker125A
ArchitectureChargeverter (AC to DC charging only)
Dry ContactsIncluded
Closed-Loop CommunicationSupported with EG4 components
Generator CompatibilityDirect
Included AccessoriesCables & Mounting Bracket

Note: See "Resources (System Manuals and Warranty)" Tab above for full specifications.

Compatibility & Fitment

  • Closed-loop communication supported with EG4 battery components
  • Direct compatibility with generator AC input for charging workflows
  • Dry contacts included for external monitoring/control integration
  • Cables and mounting bracket included in the box
  • NOT a grid-tie or hybrid inverter — does NOT produce usable AC output for loads
  • NOT capable of grid sell-back under any configuration
  • Specific supported battery chemistries and DC voltage window are [NEEDS VERIFICATION] — not stated in manufacturer data
  • Parallel/stacking capability is [NEEDS VERIFICATION] — not stated in manufacturer data

Compliance & Environment Table

CategoryDetail
UL Listings[NEEDS VERIFICATION] — not provided in manufacturer data
NEMA Enclosure Rating[NEEDS VERIFICATION] — not provided in manufacturer data
Applicable NEC Articles[NEEDS VERIFICATION] — consult installer for Article 690/706 applicability; not specified in manufacturer data

FAQ

Can this inverter sell power back to the grid?
No. The EG4 Chargeverter GC is a Chargeverter — it converts AC input to DC output for battery charging only. It does not export power to the grid and has no grid-tie or sell-back function.

What battery voltage is required?
[NEEDS VERIFICATION] — the manufacturer data provided does not list a specific DC output/battery voltage window for this unit.

Can I parallel multiple units together?
[NEEDS VERIFICATION] — stacking or parallel limits are not specified in the manufacturer data provided for this unit.

Is this UL 1741 listed for utility interconnection?
[NEEDS VERIFICATION] — no UL listing information is included in the manufacturer data provided for this unit. As a Chargeverter (not a grid-interactive inverter), UL 1741 utility interconnection listing is not applicable to this device class.

Warranty & Registration

Manufacturer warranty terms for the EG4 Chargeverter GC are [NEEDS VERIFICATION] — not included in the manufacturer data provided. Refer to the "Resources (System Manuals and Warranty)" Tab above on this page for the full warranty document, or contact MSSD before you order and we'll help confirm the terms. We always reply back.

Wholesale Specifications & Compliance Guarantee

Official MSSD Direct Distribution Data for BigBattery Item #INV029

🚚 Wholesale Freight Shipping Structure

  • Palletized Freight Delivery: Securely packaged and strapped to prevent coil or cabinet transit damage.
  • Liftgate Unloading Included: Every system price reflects complete residential or jobsite liftgate unloading services.
  • Terminal Tracking: Direct carrier tracking with scheduled delivery appointment confirmation.

🛡️ EPA Refrigerant & Safety Compliance

  • Low-GWP Mandate Certified: Compliant with 2025–2026 EPA AIM Act guidelines (R-454B / R-32 next-gen refrigerants).
  • Factory Parts Protection: Full manufacturer warranty integrity preserved via authorized wholesale distribution channels.
  • Factory Pre-Charged: Outdoor condensing units engineered and tested for rated line-set lengths.

📜 Manufacturer Warranty Protection

Authorized Dealer Warranty Protection: All BigBattery systems purchased through MSSD include full factory manufacturer warranty coverage.

📊 System Engineering & Performance Specifications

Product Model Title BigBattery | 5120W | Chargeverter | EG4 Chargeverter GC
Factory SKU / Part # INV029
Brand Entity BigBattery
Wholesale Freight Rate $0.00 (Palletized Liftgate Unloading Included)