4.2KW Hybrid Solar Inverter with MPPT-Kingway(Jinhua) Display Co., Ltd.

4.2KW Hybrid Solar Inverter with MPPT

4.2kW Hybrid Solar Inverter with MPPT is a high-efficiency Hybrid Solar Inverter designed for residential and small commercial solar energy systems, combining grid-tied, off-grid and battery operation with a built-in 120A MPPT solar charge controller and pure sine wave output.

Core Advantages:

1. Flexible Hybrid Power Management

This Hybrid Solar Inverter supports grid-tied, off-grid and hybrid operation, allowing solar energy, grid power and battery storage to work together according to different system requirements.

2. Integrated 120A MPPT Solar Controller

The Hybrid Inverter with MPPT integrates a high-capacity 120A MPPT solar charge controller and supports up to 6200W PV input power, helping maximize solar energy utilization.

3. Wide PV Operating Range

With a 60–450VDC MPPT voltage range and up to 500VDC maximum DC voltage, the Hybrid Inverter with MPPT provides flexible PV system configuration for different solar panel arrangements.

4. Pure Sine Wave Power Output

The Pure Sine Wave Hybrid Inverter delivers stable 220/230/240VAC output, making it suitable for household appliances, electronic equipment and other loads requiring consistent AC power quality.

5. High-Efficiency Power Conversion

With a power factor above 0.99 and maximum DC/AC efficiency of 98%, this Hybrid Solar Inverter is designed to improve energy utilization and reduce unnecessary conversion losses.

6. Flexible Battery Operation

The inverter supports battery-free operation under suitable system configurations and provides automatic lithium battery activation, helping installers simplify system commissioning and improve operational flexibility.

7. Remote Monitoring and Communication

Built-in Wi-Fi and GPRS communication allow remote system monitoring through compatible iOS and Android devices. RS232 and RS485 interfaces provide additional connectivity for system integration.

Parameter	SUN BX-3.6KW	SUN BX-4.2KW	SUN BX-6.2KW
【Grid-tie Operation】
Max. PV Input Power	6200W	6200W	6500W
Rated Output Power	3600W	4200W	6200W
Max. Solar Charging Current	120A	120A	120A
【PV Input (DC)】
Rated/Max. DC Voltage	360/500VDC	360/500VDC	360/500VDC
Start-up/Initial Feed-in Voltage	60VDC/90VDC	60VDC/90VDC	60VDC/90VDC
MPPT Voltage Range	60-450VDC	60-450VDC	60-450VDC
Max. Input Current	1/18A	1/18A	1/22A
【Grid Output (AC)】
Nominal Output Voltage	220/230/240VAC	220/230/240VAC	220/230/240VAC
Output Voltage Range	195.5-253VAC	195.5-253VAC	195.5-253VAC
Nominal Output Current	15.7A	18.2A	27.0A
Power Factor	>0.99	>0.99	>0.99
Max. Efficiency (DC/AC)	98%	98%	98%
【Dual Load Output 】
Full Load	3600W	4200W	6200W
Max. Main Load	3600W	4200W	6200W
Max. Secondary Load (Battery Mode)	1200W	1400W	2067W
Full Load Cut-off Voltage	26VDC	26VDC	52VDC
Max. Load Return Voltage	27VDC	27VDC	54VDC
【Off-grid Operation】
【AC Input】
AC Start-up/Auto Re-start Voltage	120-140VAC/180VAC	120-140VAC/180VAC	120-140VAC/180VAC
Acceptable Input Voltage Range	90–280 VAC or 170–280 VAC	90–280 VAC or 170–280 VAC	90–280 VAC or 170–280 VAC
Frequency Range	49~51±1Hz	49~51±1Hz	49~51±1Hz
Max. AC Input Current	30A	30A	40A
【Battery Mode Output (AC)】
Nominal Output Voltage	220/230/240VAC	220/230/240VAC	220/230/240VAC
Output Waveform	Pure Sine Wave	Pure Sine Wave	Pure Sine Wave
Efficiency (DC to AC)	94%	94%	94%
【Hybrid Operation】
【PV Input (DC)】
Rated/Max. DC Voltage	360/500VDC	360/500VDC	360/500VDC
Start-up/Initial Feed-in Voltage	90VDC/120VDC	90VDC/120VDC	90VDC/120VDC
MPPT Voltage Range	60~450VDC	60~450VDC	60~450VDC
Max. Input Current	1/18A	1/18A	1/22A
【Grid Output (AC) 】
Nominal Output Voltage	220/230/240VAC	220/230/240VAC	220/230/240VAC
Output Voltage Range	195.5~253VAC	195.5~253VAC	195.5~253VAC
Nominal Output Current	15.7A	18.2A	27.0A
【AC Input】
AC Start-up/Auto Re-start Voltage	120-140VAC/180VAC	120-140VAC/180VAC	120-140VAC/180VAC
Acceptable Input Voltage Range	90–280 VAC or 170–280 VAC	90–280 VAC or 170–280 VAC	90–280 VAC or 170–280 VAC
Max. AC Input Current	30A	30A	40A
Max. AC Charging Current	100A	100A	100A
【General 】
【Physical 】
Dimensions L×W×H (mm)	420×350×110	420×350×110	420×350×110
Carton Size (mm)	500×415×180	500×415×180	500×415×180
Net Weight (kgs)	8	8.5	9
Gross Weight (kgs)	9	9.5	10
【Interface】
Communication Port	RS232/RS485/Wireless network/GPRS/Lithium battery	RS232/RS485/Wireless network/GPRS/Lithium battery	RS232/RS485/Wireless network/GPRS/Lithium battery
Humidity	5 per cent to 95 per cent relative humidity (non-condensing)	5 per cent to 95 per cent relative humidity (non-condensing)	5 per cent to 95 per cent relative humidity (non-condensing)
Operating Temperature	-10℃~50℃	-10℃~50℃	-10℃~50℃
【Standards】
Safety Compliance	CE	CE	CE

The 4.2kW Hybrid Solar Inverter is suitable for:

Residential solar energy storage systems
Home backup power systems
Off-grid and hybrid solar systems
Small commercial solar installations
Remote and rural power systems
Solar systems with battery storage
Distributed renewable energy applications

Our services include:

Private labeling and product branding
Customized packaging and documentation
Product configuration customization
Communication and monitoring integration
OEM mass production
ODM product development

Our factory-based production and engineering capabilities allow us to support B2B customers from product configuration and customization through mass production and delivery.

1. Residential Solar Energy Storage Solution

We provide Hybrid Solar Inverter solutions integrating PV panels, batteries and grid power for residential energy management and backup power.

2. Solar Backup Power Solution

The Pure Sine Wave Hybrid Inverter can provide stable backup power for essential household and commercial loads when grid power is unavailable.

3. Off-Grid Solar Power Solution

For remote areas and locations with limited grid access, the Hybrid Inverter with MPPT can be combined with PV panels and batteries to build an independent solar power system.

4. Distributor & System Integrator Solution

We supply Hybrid Solar Inverters with OEM/ODM support for distributors, wholesalers and solar system integrators requiring flexible configurations and reliable bulk supply.

Q1: What is the 4.2kW Hybrid Solar Inverter with MPPT designed for?

The 4.2kW Hybrid Solar Inverter with MPPT is designed for residential and small commercial solar systems that require flexible grid-tied, off-grid and battery power management.

Q2: How much solar PV input can this Hybrid Inverter with MPPT support?

The inverter supports up to 6200W maximum PV input power with a 60–450VDC MPPT voltage range and a 120A maximum solar charging current.

Q3: Does this Hybrid Solar Inverter provide pure sine wave output?

Yes. The Pure Sine Wave Hybrid Inverter provides 220/230/240VAC pure sine wave output for stable operation of compatible electrical and electronic loads.

Q4: Can the inverter be remotely monitored?

Yes. The inverter supports Wi-Fi and GPRS communication and is compatible with iOS and Android monitoring systems.

Q5: Do you offer OEM and ODM for bulk orders?

Yes. We are a Hybrid Solar Inverter manufacturer and factory providing OEM, ODM, private labeling, packaging and configuration customization for B2B customers.