Solar Inverter
Solar Inverter (1)

The 5.5kW 48V on/off-grid solar inverter provides reliable and clean AC output with high conversion efficiency and strong overload handling. Supporting feed-in to the grid and generator input, it ensures optimal flexibility in energy management. With stable performance and durable electronic protection circuitry, this model fits demanding home users who require reliable long-duration backup power.

The Features of 5.5kW 48V on/off-grid solar inverter

5500W solar inverter

BMS

Support Lithium/Lead-acid Battery

Parallel

9 Inverter in Parallel

Solar

Built-in 80A Solar Charger

Activation

Lithium Battery Activation

Grid

Feed-in to Grid

Generator

Workable with Generator

MPPT

Wide MPPT Range 120-500V

Monitoring

WiFi Monitoring

5500W solar inverter

BMS

Support Lithium/Lead-acid Battery

Parallel

9 Inverter in Parallel

Solar

Built-in 80A Solar Charger

Activation

Lithium Battery Activation

Grid

Feed-in to Grid

Generator

Workable with Generator

MPPT

Wide MPPT Range 120-500V

Monitoring

WiFi Monitoring

The Technical Parameter of 5.5kW 48V on/off-grid solar inverter

Model: INV 5500-48
ItemSpecification
AC Input
Rated Input Voltage (VAC)208 / 220 / 230 / 240; L + N + PE
Voltage Range (VAC)90~280±3 (normal mode); 170~280±3 (UPS mode)
Frequency (Hz)50 / 60 (Auto Adaptive)
AC Output
Rated Capacity (kW)5.5
Surge Power (kVA)11
Output Voltage (VAC)208 / 220 / 230 / 240
Power Factor (PF)1
Output Frequency50 / 60Hz ±0.1%
Switch Time (ms)10 (normal mode) / 10 (UPS mode)
Wave FormPure Sine Wave
Overload Protection (Battery Mode)60s@102%~110% load; 10s@110%~130% load; 3s@130%~150% load; 0.2s@>150% load
Max. Efficiency (Battery Mode)93% @ 48VDC
Parallel QuantityN/A
Charger (PV / AC)
Solar Charger TypeMPPT
Max PV Input Current / Power18A / 6000W
Operating Voltage Range (VDC)120~450
Max PV Open Circuit Voltage (VDC)500
Max PV Charge Current (A)80
Max AC Charge Current (A)80
Max Charge Current (PV + AC) (A)80
Battery
Nominal Battery Voltage48VDC
Floating Charge Voltage (VDC)56
Overcharge Protection (VDC)60
Battery TypeLithium and Lead-acid
Interface
DisplayLCD
CommunicationRS485 / RS232 / USB / Dry Contact
MonitoringWiFi (Optional)
General Data
Ingress ProtectionIP21
Operating Temperature-10°C ~ +50°C
Relative Humidity5% ~ 95% (Non-condensing)
Storage Temperature-15°C ~ +60°C
Net / Gross Weight (kg)8.7 / 10
Dimension
Product Size (mm)306 × 480 × 115
Package Size (mm)386 × 560 × 175
Max Operating Altitude4000m (Derating above 1000m)

5.5kW 48V on/off-grid solar inverter( SINGLE PHASE ON/OFF-GRID SOLAR INVERTER)

  • Pure sine wave output, stability for high-power home appliances
  • 80A MPPT controller for efficient solar performance
  • Supports remote monitoring and battery parameter customization
  • Reliable overload and short-circuit protection mechanisms
  • Designed for homes with mid-to-high power usage

Why Choose the INV 5500-48 SINGLE PHASE ON/OFF-GRID SOLAR INVERTER?

Best for medium-to-large households with higher appliance loads such as air conditioners, washing machines, induction cooktops, and well pumps. Well-suited for countries with unstable grids (Africa, Southeast Asia, Latin America), providing stable and clean home power backup.

Powerful Performance

With 5.5kW rated capacity and 11kVA surge power, it provides stable energy for homes, offices, and small businesses

High Efficiency

Achieves up to 93% efficiency at 48VDC, ensuring reliable and cost-effective operation

Flexible Solar Charging

Built-in MPPT controller supports up to 6000W PV input with a wide 120–450V range for maximum solar utilization

Battery Compatibility

Works with both lithium and lead-acid batteries, featuring floating charge (56V) and overcharge protection (60V)

Durable Design

Compact structure, IP21 protection, and wide operating temperature range (-10℃ to +50℃) make it reliable in diverse environments

Smart Monitoring & Control

LCD display with RS485/RS232/USB/Dry Contact and optional WiFi for convenient management and remote monitoring

The INV 5500-48 SINGLE PHASE ON/OFF-GRID SOLAR INVERTER is the ideal solution for users seeking a balance of power, efficiency, and smart management for residential and small commercial applications. Contact us today for a quotation or request your free inverter & battery solution