EG4 EG4-6000XP 6kW Single Phase Hybrid Inverter/Charger

The EG4 6000XP is a 6,000W split-phase off-grid inverter/charger designed for 48V battery systems, capable of accepting up to 8,000W of PV input across two independent MPPTs while simultaneously powering 120/240 VAC loads and charging the battery bank. Built on a transformerless, high-frequency topology with a 100–480 VDC PV input range, this EG4 inverter charger operates fully independent of the grid and supports optional grid or generator input for supplemental battery charging — making it a flexible core component for off-grid cabins, backup power systems, and energy-independent homesteads.

Note: The EG4 6000XP is an off-grid inverter/charger, not a grid-tied export inverter. It accepts grid or generator input for supplemental charging only and cannot export power to the utility grid. Additionally, parallel operation of multiple units is supported only in off-grid mode — units cannot be paralleled while connected to the grid.

Key specifications

• AC output: 6,000W nominal @ 120/240 VAC split-phase; 12,000W surge capacity for ≈3.5 seconds / 11,000W for ≈5 seconds; max. continuous output current 25A @ 240V; THD <3%; power factor 0.99 @ full load
• PV input: 2 MPPTs (4,000W per MPPT / 8,000W total utilized); DC input range 100–480 VDC; MPPT operating voltage 120–385 VDC; max. usable input current 17A per MPPT; 99% MPPT efficiency
• Battery: 48 VDC nominal; compatible with lithium and lead-acid; max. charge current 125A (PV) / 115A (AC); max. discharge current 140A; recommended capacity >200Ah; closed-loop communications with EG4 48V batteries and select third-party brands
• AC input (grid / generator): 120/240 VAC; max. AC input power 9,000W; 50A bypass; supplemental charging use only — not grid-tied export
• Certifications & warranty: UL 1741, FCC Part 15 Class B; IP20; 5-year standard warranty

Off-grid and hybrid operation

The 6000XP is built primarily for systems that operate independent of the utility grid, drawing power from PV and a 48V battery bank to supply split-phase 120/240 VAC loads. The 480V maximum DC input voltage allows higher-voltage PV strings that reduce cable sizing and eliminate the need for a combiner box — a practical wiring simplification on larger off-grid arrays. When grid or generator power is available, the unit can accept up to 9,000W of AC input through a 50A bypass for supplemental battery charging or pass-through to loads, but it does not feed excess power back to the grid. For system designers evaluating EG4 6000XP battery compatibility, the inverter supports both lithium and lead-acid banks and communicates closed-loop with EG4 48V batteries as well as other compatible brands — a firmware update may be required for closed-loop operation with LifePower4 batteries.

Where it fits

• Off-grid cabins and homesteads: Self-contained split-phase 120/240 VAC output from a single unit powers standard North American loads — no additional transformer required for 240V appliances.
• Backup power with solar charging: Sized for whole-home or critical-load backup systems with a 48V lithium or lead-acid battery bank and a dedicated PV array up to 8,000W utilized (10,000W recommended maximum input).
• Scalable multi-unit installations: Up to 16 units can be paralleled in off-grid mode for up to 96kW of combined output — suitable for large off-grid properties, farms, or facilities requiring higher load capacity.
• Generator-supplemented systems: The 50A AC bypass accepts generator input for battery charging during extended low-solar periods, giving operators a reliable fallback without additional switching hardware.

Monitoring, communications, and controls

• A mountable Wi-Fi device enables wireless connection to the EG4 monitoring platform via app or web browser, with remote adjustment of system parameters without a site visit.
• Communication interfaces include RS485, Wi-Fi, and CAN, supporting closed-loop BMS integration with compatible 48V lithium battery systems for automated charge and discharge management.
• An onboard LCD LED display provides local system status at a glance, and each MPPT has an integrated DC switch for safe isolation during service or string reconfiguration.
• Built-in protections include PV reverse polarity protection, leakage current monitoring, surge protection, and output over-voltage protection with varistor — reducing the need for external protection components.

System compatibility

The EG4 6000XP requires a 48 VDC nominal battery bank — lead-acid (38.4–60 VDC range) or lithium (46.4–60 VDC range) — with a recommended minimum capacity of 200Ah per inverter. PV strings connect to two independent MPPT inputs; with a 100–480 VDC input range, the unit accommodates a wide variety of string configurations without a separate charge controller. AC wiring requires L1, L2, and neutral (120/240 VAC split-phase); generator or grid input connects through the same AC input terminals up to 50A. Parallel installations of up to 16 units are supported in off-grid mode only and are managed through the EG4 monitoring software. Operating temperature range is 32–113°F (0–45°C); the unit is rated for indoor installation at altitudes up to 6,561 ft (2,000 m).

Why choose the EG4 6000XP?

The EG4 6000XP delivers a combination of specs that off-grid system builders routinely search for in a single unit: split-phase 120/240 VAC output, a 480V maximum PV input that eliminates combiners on larger arrays, dual independent MPPTs, broad battery chemistry compatibility, and a 12,000W surge rating that handles motor-start loads that trip lower-rated inverters. At up to 16 units in parallel for 96kW of scalable off-grid capacity, it grows with the installation rather than requiring a platform change. A1 SolarStore offers the EG4-6000XP backed by EG4's 5-year standard warranty for buyers building serious off-grid and backup power systems.