5.5kW 48V Single-Phase Hybrid Off-Grid Solar Inverter Charger with MPPT

1. Integrated Hybrid Off-Grid Inverter Charger

This 5.5 kW single-phase hybrid off-grid solar inverter charger combines pure sine wave power conversion, MPPT solar charging, AC battery charging and 48 V battery management in one wall-mounted unit. It is designed for compatible residential backup, off-grid and standalone solar energy systems.

The inverter can operate with photovoltaic input, a 48 V battery bank and a compatible AC source. Operating priority, battery settings and charging parameters should be configured according to the complete system design.

2. 5.5 kW Pure Sine Wave Output

• 5.5 kW Rated Output: Supplies compatible household appliances, electronic equipment and small commercial loads within the inverter’s rated capacity.
• 11 kVA Surge Power: Supports temporary startup demand from compatible inductive loads.
• 220/230/240 V AC Output: Provides selectable nominal output voltage with ±5% regulation.
• 50/60 Hz Output: Supports compatible 50 Hz and 60 Hz electrical systems with ±0.1% frequency accuracy.
• Pure Sine Wave Supply: Suitable for compatible appliances, computers, communication equipment and electronically controlled devices.
• Peak Efficiency Above 94%: The supplier specifies peak inverter efficiency above 94%.

3. Configurable AC Input

• Single-Phase Input: Uses an L + N + PE connection for compatible single-phase systems.
• 220/230/240 V AC Rated Input: Supports selectable nominal AC input configurations.
• Wide Input Range: Accepts 90-280 V AC with a stated ±3 V tolerance.
• Narrow Input Range: Accepts 170-280 V AC with a stated ±3 V tolerance.
• Automatic Frequency Detection: Detects compatible 50 Hz or 60 Hz input automatically.
• 10 ms Typical Transfer Time: Supports fast changeover for compatible connected loads.

4. High-Voltage MPPT Solar Charging

• 5.5 kW Maximum PV Input Power: Supports a photovoltaic array with a stated maximum input power of 5500 W.
• 120-500 V DC MPPT Range: Supports compatible high-voltage photovoltaic strings within the specified operating range.
• 300-400 V DC Recommended PV Range: Provides the stated preferred PV operating-voltage window.
• 500 V DC Maximum PV Input Voltage: The array open-circuit voltage must remain below this limit under all temperature and operating conditions.
• 20 A Maximum PV Input Current: Defines the maximum current accepted from the photovoltaic array.
• 100 A Maximum Solar-Charging Current: Supports high-current charging of a compatible 48 V battery bank.

5. 48 V Battery Charging

• 48 V DC Battery Platform: Designed for a compatible 48 V battery system.
• 56.4 V DC Constant-Charging Voltage: Provides the specified constant-charge voltage.
• 54 V DC Float-Charging Voltage: Provides the specified float-charge voltage.
• 100 A Maximum AC Charging Current: Supports battery charging from an approved AC source.
• 120 A Maximum Total Charging Current: Limits combined charging according to the stated maximum.
• Battery Configuration: Battery chemistry, BMS requirements, charging voltage and current limits must be confirmed before installation.

6. Parallel and Communication Functions

• Parallel Operation: Supports compatible parallel system configurations for power expansion or system design requirements.
• BMS Communication: Provides a BMS interface for compatible battery systems.
• RS232, RS485 and CAN: Supports multiple wired communication methods.
• USB and Dry Contact: Provides additional system connection options.
• LCD Interface: Displays operating, load, input and output information.
• Configurable Monitoring: Parallel quantity, firmware compatibility and communication protocols must be confirmed before ordering.

7. Protection and Operating Conditions

• Overload Protection: Provides staged response according to the percentage and duration of the overload condition.
• Wide Load Compatibility: Supports compatible resistive, capacitive and inductive loads within a stated power-factor range of 0.6 to 1.0.
• Low-Noise Operation: The supplier specifies operating noise of 50 dB or lower.
• Indoor Installation: The unit should be installed in a protected indoor environment within the stated temperature, humidity and altitude limits.

8. B2B System Applications

The inverter charger is suitable for solar-system integrators, residential backup-power suppliers, off-grid equipment distributors and battery-storage solution providers. Typical applications include homes, cabins, remote properties, small offices and standalone solar systems requiring coordinated solar, battery and utility power.

PV string design, battery compatibility, parallel configuration, AC source quality, cable size, external protection and destination-market requirements must be confirmed before commissioning.