HVM 1.8K PLUS
1.8kW Hybrid Solar Inverter for Home & Small Commercial Use
- High efficiency MPPT technology for maximum energy harvest
- Compatible with lithium & lead-acid batteries
- Stable performance in high temperature and harsh environments
- Intelligent protection: overload, short circuit, over-voltage
- Easy installation & user-friendly monitoring system
Applications: Home solar system / Small business / Hybrid & off-grid power
| 1. LCD display | 2. LED indicator | 3. Function button |
| 4. Power on off switch | 5. Battery terminal port | 6. PV input terminal port |
| 7. AC input (on-grid) terminal | 8. AC output (backup output/uninterrupted output) wiring terminal port | |
| 9. RS485-2 communication interface (BMS communication) | ||
| 10. RS485-1 communication interface(External communication/WIFl) | ||
| 11. AC Input fuse | 12. Earth | |
| Model | HVM 1.3K PLUS | HVM 1.8K PLUS | HVM 2.3K PLUS | HVM 3.3K PLUS | HVM 4.3K PLUS |
| Max PV Input Power | 2000W | 2500W | 3000W | 5000W | 5000W |
| MPPT Tracking Voltage Range | 30VDC-240VDC | 40VDC-350VDC | 40VDC-350VDC | 40VDC-450VDC | 40VDC-450VDC |
| Rated Voltage | 180VDC | 240VDC | 240VDC | 240VDC | 240VDC |
| Max PV Input Voltage voc (at the lowest temperature) | 300VDC | 400VDC | 400VDC | 500VDC | 500VDC |
| Max PV Input Current | 15A | 15A | 15A | 18A | 18A |
| Rated Battery Voltage | 12VDC | 24VDC | 24VDC | 24VDC | 24VDC |
| Battery voltage Range | 10.5~15VDC (default) | 21~30VDC (default) | 21~30VDC (default) | 21~30VDC (default) | 21~30VDC (default) |
| Max PV Charging Current | 80A | 60A | 80A | 120A | 150A |
| Max AC Charging Current | 50A | 35A | 50A | 80A | 100A |
| Max Charging Current | 80A | 60A | 80A | 120A | 150A |
| Rated Output Power | 1300W | 1800W | 2300W | 3300W | 4300W |
| Rated Output Voltage | 220VAC/230VAC/240VAC | ||||
| Grid Voltage Range | 187VAC-264VAC | ||||
| Rated Output Frequency | 50Hz/60Hz | ||||
| Rated Input voltage | 220VAC/230VAC/240VAC | ||||
| Rated Input Frequency | 50Hz/60Hz | ||||
| Input Frequency Range | 47Hz~52Hz(50Hz) , 57Hz~62Hz(60Hz) | ||||
| Rated Output Power | 1300W | 1800W | 2300W | 3300W | 4300W |
| Rated Voltage Rated | 220VAC/230VAC/240VAC | ||||
| Output Current | 5.9A/5.6A/5.4A | 8.1A/7.8A/7.5A | 10.4A/10A/9.5A | 15A/14.3A/13.8A | 19.5A/18.7A/17.9A |
| Maximum Conversion Efficiency | 94%(peak value) | ||||
| MPPT Tracking Efficiency | ≥99.9% | ||||
| Display | LCD+LED | ||||
| Communication | RS485/Mobile APP(WIFI Monitoring or GPRS monitoring)(Optional) | ||||
| Battery low voltage alarm | 11VDC (default value) | 22VDC(default value) | 22VDC(default value) | 22VDC(default value) | 22VDC(default value) |
| Battery low voltage protection | 10.5VDC (default value) | 21VDC(default value) | 21VDC(default value) | 21VDC(default value) | 21VDC(default value) |
| Anti-islanding protection | ≤2S | ||||
| Overload power protection | Automatic Protection (battery mode), Circuit Breaker or Insurance (AC mode) | ||||
| Operating temperature | -10°C~50°C | ||||
| Noise | ≤55dB | ||||
| Humidity | 0%~95% ,No condensation | ||||
| Product Size(mm) | 285*250*91 | 285*250*91 | 285*250*91 | 325*275*102 | 375*297*102 |
| Package Size(mm) | 360*305*156 | 360*305*156 | 360*305*156 | 400*330*167 | 450*352*167 |
| N.W.(kg) | 3.6 | 3.7 | 3.9 | 5.5 | 6.7 |
| G.W.(kg) | 4.5 | 4.6 | 4.8 | 6.5 | 7.7 |
Typical Applications
The LULUSUN hybrid inverter is widely used in:
- Residential solar power systems
- Small commercial & retail shops
- Hybrid solar + grid backup systems
- Off-grid power supply in remote areas
It provides stable power output even under unstable grid conditions.
What Problems Does This Inverter Solve?
- Frequent power outages
- Rising electricity costs
- Unstable grid voltage
- Lack of reliable power in remote regions
By integrating solar, battery, and grid power, this inverter ensures uninterrupted energy supply.
Why Choose LULUSUN Inverters?
As a professional solar inverter manufacturer, LULUSUN offers:
- 20,000㎡ manufacturing facility with 10+ production lines
- 300+ skilled workers & strict quality control system
- Long-term stable supply & factory-direct pricing
- Flexible MOQ and distributor-friendly policies
- Export experience in Africa, Middle East, Southeast Asia
Our goal is long-term partnership, not short-term sales.
Quality Control & Certifications
- 100% functional testing before delivery
- Aging test to ensure long-term stability
- International certifications available: CE / IEC / UN38.3 (model-based)
- Secure packaging for international shipment
FAQ – Frequently Asked Questions
Q1: Can this inverter work with lithium batteries?
Yes, it supports most mainstream lithium and lead-acid batteries.
Q2: What is the warranty period?
Standard warranty is 3–5 years, depending on the model.
Q3: Can I use this inverter for off-grid systems?
Yes, it supports hybrid and off-grid operation modes.
Q4: Do you support OEM or private label?
Yes, OEM & ODM services are available for qualified partners.
