Features
5.5kW Rated Output Power
Provides 5500W rated output power, suitable for household appliances, office devices, small commercial loads, and renewable energy backup systems.
11,000W Surge Power
The inverter supports up to 11,000W surge power, helping handle short-term startup demand from selected appliances and electrical equipment.
Pure Sine Wave Output
Pure sine wave output provides clean and stable AC power for home appliances, personal computers, routers, office equipment, and sensitive electronics.
Battery Optional Operation
The inverter can operate with or without a battery, offering greater flexibility for different solar system designs and future energy storage upgrades.
Multiple Battery Type Support
Compatible with AGM, gel, and lithium batteries, allowing users to configure the energy storage system according to budget, runtime, and performance requirements.
High PV Input Capacity
Supports up to 6000W solar input, helping maximize solar energy utilization for daily power supply and battery charging.
MPPT Solar Charging
The MPPT solar charging range of 120V–450VDC helps improve solar energy harvesting and system efficiency under different sunlight conditions.
100A Solar Charging Current
Supports up to 100A solar charging current, helping charge batteries efficiently when sufficient solar power is available.
80A AC Charging Current
The inverter supports up to 80A AC charging current, allowing battery charging from utility power or generator input when solar power is insufficient.
High Peak Efficiency
Peak inverter efficiency reaches up to 98%, helping reduce power loss and improve overall energy conversion performance.
220/230/240VAC Output Options
Supports common output voltage options including 220VAC, 230VAC, and 240VAC, making it suitable for many regional power systems.
WiFi Monitoring
The included WiFi module allows users to monitor inverter status, operating mode, battery condition, and system performance more conveniently.
Compact Wall-Mounted Design
With a compact size of 440 × 300 × 100mm and weight of approximately 10kg, the inverter is easy to install in homes, utility rooms, small shops, and equipment areas.
Wide Operating Temperature Range
The inverter operates within -10°C to 50°C, making it suitable for many indoor and protected installation environments.
Specifications
| MODEL | LK-5.5KW |
| Rated Power | 5500W |
| Phase | 1-phase |
| OUTPUT | |
| Nominal Voltage | 220/230/240VAC±5% |
| Surge Power | 11000W |
| Frequency | 50Hz/60Hz |
| Waveform | Pure Sine Wave |
| Peak Efficiency (pv to inv) | 98% |
| Peak Efficiency (batt to inv) | 94% |
| Overload Protection | 5s@>=150% load; 10s 110%~150% load |
| Crest Factor | 3:1 |
| AC INPUT | |
| Nominal Voltage | 220/230/240VAC |
| Acceptable Voltage Range | 178~280VAC (For Personal Computers); 90~280VAC (For Home Appliances) |
| Frequency | 50Hz/60Hz (Auto Sensing) |
| BATTERY | |
| Battery Voltage | 48 VDC |
| Floating Chargr Voltage | 54 VDC |
| Overcharge Protection | 63 VDC |
| Battery Type | AGM/Gel/Lithium |
| Can Work Without Battery | Yes |
| SOLAR & AC CHARGE | |
| Max AC Charge Current | 80A |
| Solar MPPT Charger Current | 100A |
| MPPT Voltage Range | 120~450V |
| Max PV Voltage | 500V |
| Max PV Input Power | 6000W |
| OTHER | |
| Optional Accessories | WiFi Module |
| Operation Temperature | -10℃~50℃ |
| Storage Temperature | -15℃~60℃ |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
| Weight (kg) | 10 |
| Dimension (L*W*H) mm | 440*300*100 |
Applications
Residential Solar Power Systems
Suitable for home solar installations, household energy storage systems, and daily renewable energy use.
Home Backup Power
Provides backup power for selected essential loads such as lighting, routers, computers, fans, TVs, refrigerators, and small household appliances.
Small Office and Business Backup
Supports small offices, shops, service counters, and business locations that require backup power and solar energy utilization.
Off-Grid Power Systems
Suitable for rural homes, cabins, farms, remote houses, and locations where grid power is unavailable or unstable.
Hybrid Solar Power Systems
Can work with solar panels, batteries, and AC input to improve energy availability and reduce dependence on unstable utility power.
Personal Computers and Electronics
Provides stable pure sine wave power for computers, routers, monitors, communication devices, and sensitive electronics.
Remote Solar Energy Projects
Suitable for remote monitoring systems, small communication sites, outdoor equipment rooms, and renewable energy projects.
Frequently Asked Questions
What is this 5.5kW solar inverter used for?
This inverter is used for solar power conversion, battery charging, backup power, and energy management in residential, small commercial, off-grid, and hybrid solar power systems.
Can this inverter work without a battery?
Yes. This inverter can operate with or without a battery, depending on system configuration and application requirements.
What is the rated output power?
The rated output power is 5.5kW / 5500W.
What is the surge power?
The surge power is up to 11,000W, which helps support short-term startup demand from selected electrical loads.
Does this inverter provide pure sine wave output?
Yes. It provides pure sine wave output, making it suitable for many household appliances, computers, office devices, and sensitive electronics.
What is the maximum solar input power?
The inverter supports up to 6000W solar input.
What is the MPPT voltage range?
The MPPT solar charging range is 120V–450VDC, helping improve solar energy conversion under different PV conditions.
What battery types are supported?
The inverter supports AGM, gel, and lithium batteries.
What is the maximum solar charging current?
The maximum solar charging current is 100A.
What is the maximum AC charging current?
The maximum AC charging current is 80A.
What is the peak efficiency?
The inverter’s peak efficiency can reach up to 98%, helping reduce energy loss and improve system performance.
Does this inverter support WiFi monitoring?
Yes. It includes a WiFi module for convenient system monitoring and performance checking.
What is the operating temperature range?
The inverter operates within -10°C to 50°C.
What information is needed to choose the right inverter?
To recommend the right configuration, the following information is usually required: total load power, appliance list, solar panel capacity, battery type, battery voltage and capacity, backup time requirement, utility power condition, installation environment, and whether battery-free operation is required.
