Description

The SUMRY HGX 4KW Off-Grid Solar Inverter combines pure sine wave AC output, a built-in 140A MPPT solar charge controller, flexible battery support, and an easy-to-use 6.25-inch LCD touchscreen. Designed for home and off-grid solar systems, it provides flexible power management with multiple operating modes and built-in protection features.

Key Features

• Pure Sine Wave Output: Delivers clean, stable AC power for compatible household electronics and appliances.
• Built-In 140A MPPT Charger: Supports up to 5,600W of PV input for efficient solar energy harvesting.
• Wide Solar Input Range: Accepts PV input from 55–350VDC.
• 24V Battery System: Supports 24V battery configurations, including lithium, LiFePO4, and lead-acid batteries.
• Battery-Free Operation: Supports operation without a battery in compatible configurations.
• SBU Operating Mode: Allows utility power, battery power, and solar power to work together according to configured priorities.
• 6.25-Inch LCD Display: Large display with touch buttons provides convenient access to system information and settings.
• Smart Battery Charging: Intelligent charging management helps optimize battery performance.
• Adjustable Power Priority: Allows AC and battery input priorities to be configured through the LCD interface.
• Automatic PV Recovery: Automatically restarts when solar input becomes available again.
• Built-In Protection: Includes overload, over-temperature, and output short-circuit protection.
• Cold Start Function: Supports startup when external utility power is unavailable, depending on system conditions.
• Lithium Battery Activation: Supports automatic activation for compatible lithium battery systems.
• BMS Communication: Supports battery management system communication for compatible batteries.
• Communication Ports: Supports RS232 and RS485 communication.
• Optional Wi-Fi Monitoring: Wi-Fi monitoring is available with the optional module.
• Optional Dust Protection: An anti-dust kit is available for demanding environments.

Specifications

• Brand: SUMRY
• Model: HGX 4KW
• System Voltage: 24VDC
• AC Output: 110–120VAC
• Output Frequency: 50/60Hz
• Output Current: 33A
• Output Type: Single
• Waveform: Pure Sine Wave
• MPPT Charging Current: Up to 140A
• Maximum PV Power: 5,600W
• PV Input Range: 55–350VDC
• Battery Compatibility: Lithium, LiFePO4, Lead-Acid, and other supported 24V battery types
• BMS Communication: Yes
• Display: 6.25-inch LCD
• Communication: RS232 / RS485
• Optional Connectivity: Wi-Fi Monitoring
• Protection: Overload, Over-Temperature, Short Circuit
• Dimensions: 400 × 250 × 89mm
• Weight: Approximately 9kg
• Certification: CE

Operating Features

The inverter provides configurable power-source priorities, allowing users to select how solar, battery, and utility power are used. Its MPPT controller automatically optimizes solar charging, while the LCD interface provides convenient access to operating settings and system information.

Package Information

Package contents may vary depending on the selected configuration and optional accessories.

Note: Actual output power, PV capacity, battery compatibility, and operating performance depend on the complete solar system configuration and installation. Professional installation is recommended for permanent electrical systems.