Product features:
- Pure sine wave output for sensitive electrical equipment
- Grid-tied and off-grid operating modes
- Built-in MPPT solar charge controller
- MPPT voltage range: 60V–450VDC
- Maximum PV open-circuit voltage: 500VDC
- Supports battery-free operation
- Automatic lithium battery activation
- WiFi & GPRS monitoring via Android and iOS apps
- High conversion efficiency up to 97%
Product Specifications
Product model | SHI-3.5KW-24V | SHI-4.2KW-24V |
Maximum PV open-circuit voltage | 3.5KW | 4.2KW |
MPPT operating voltage range | 50~60Hz | 50~60Hz |
Starting voltage | >92% | >92% |
Overload Protection | 5S@>150%;10S@>110%;2min@>100% | |
Surge Capacity | 25,2*Rated Power for 5Seconds | |
Nominal DC Input Voltage | 24VDC | 24VDC |
Cold Start Voltage | 23V | 23V |
Grid Charging Mode/Charging Algorithm | 3-Step | 3-Step |
AC Charging Current (Maximum) | 100Amp(@Vi/p=230Vac) | 80Amp(@Vi/p=230Vac) |
Charging Voltage(Flooded Battery) | 29.2V | 29.2V |
Charging Voltage(AGM/Gel Battery) | 28.2V | 28.2V |
Float Charging Voltage | 27V | 27V |
Maximum Photovoltaic Array Power | 5500W | 6300W |
Rated Photovoltaic Voltage | 240VDC | 240VDC |
PV Array MPPT Voltage Range | 60-450VDC | 60-450VDC |
Maximum PV Array Open-Circuit Voltage | 500VDC | 500VDC |
PV Maximum Charging Current | 100AMP | 100AMP |
Grid-Tied Rated Output Voltage | 220/230/240VAC | |
Grid-Tied Voltage Range | 195~253VAC | |
Rated Output Current | 13A | 18A |
Power Factor Range | >0.99 | |
Maximum Conversion Efficiency | 97% | |
Full Load | 3000W | 4200W |
Maximum Primary Load | 3000W | 4200W |
Maximum Secondary Load | Maximum Main Load/3 | |
Operating Temperature Range | -10° C to 50° C | |
Humidity | -15° C to 60° C | |
Product weight | 8 kg | 8.2 kg |
** W*D*H(mm) | 278*108*395 | 278*108*395 |
Applications
This single phase hybrid inverter is ideal for:
- Home solar systems
- Small offices
- Shops and retail stores
- Farms and rural power systems
- Backup power applications
- Off-grid solar installations
Advantages
Efficient Solar Energy Harvesting
The built-in MPPT controller continuously tracks the optimal power point, helping increase solar charging efficiency.
Flexible Power Supply
Supports solar panels, batteries, and utility power for uninterrupted operation.
Lower System Cost
Battery-free operation reduces initial investment while allowing future battery expansion.
Smart Monitoring
Users can monitor system performance remotely through mobile devices.
How to Choose the Right Model
- 3.5KW Model: Suitable for homes, lighting, TVs, computers, refrigerators, and small pumps.
- 4.2KW Model: Recommended for larger loads and higher daily power consumption.
Choose a solar array size that matches the inverter’s PV input capacity for the best performance.
FAQ
Yes. It supports battery-free operation and can work directly with solar panels and grid power.
Lithium, AGM, Gel, and flooded lead-acid batteries.
Yes. Built-in WiFi and GPRS allow real-time monitoring through Android and iOS applications.






