About Us Contact Us Shipping Easy Returns Privacy Terms of Service Happy Customers Solar System Size Calculator
Skip to content
RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741

RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741

BY: Ruixu | SKU: SUNON3.6 Availability: In Stock
$519.00

Notify me when back in stock

Found a Better Price?

Share it with us now and we will beat it. Get the best deal online - Guaranteed!

Call/Text Us: 877-556-3347
Live Chat With an Expert

  • Authorized Ruixu Dealer

    Full manufacturer warranty included

  • Free Shipping + No Sales Tax (Most States)

    More savings on every purchase

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Lifetime Expert Support

    Dedicated help whenever you need it

Estimated Delivery Between

and .

Order within to get it by the earliest date.

Get 5% Off — Use Code RUIXU5 at Checkout

Click to copy and apply this coupon at checkout

RUIXU5

RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741

The RUiXU SUNON3.6 Single-Phase Off-Grid Inverter is an advanced solar energy storage solution designed for reliable residential and light commercial power systems. Compatible with 48V batteries and capable of supporting hybrid solar and grid charging, the SUNON3.6 delivers efficient energy management through intelligent time-sharing charge and discharge functionality. With parallel scalability up to six units and integrated monitoring via WiFi, this inverter offers flexibility, performance, and long-term energy savings.

RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741 Features

  • Powerful Hybrid Charging - Supports charging up to 80A, combining solar and grid hybrid charging for fast and flexible energy replenishment.
  • Intelligent Time-Sharing Operation - Timed charging and discharging functionality helps optimize energy usage and improve overall efficiency.
  • Stackable System Design - Parallel support for up to six units, delivering a combined output of 21.6kW for expandable power systems.
  • Rapid Shutdown Capability - Quickly de-energizes solar PV systems, enhancing safety for installers and first responders.
  • WiFi & App Integration - Built-in WiFi connectivity enables real-time monitoring and system control through a mobile app.
  • 48V Battery Compatibility - Designed to work with 48V battery systems, making it ideal for modern energy storage installations.
Placeholder Image

RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741 Applications

• Off-Grid Homes – Reliable power for essential household loads

• Residential Solar + Storage – Efficient hybrid energy management

• Light Commercial Systems – Expandable power for small businesses

• Backup Power Systems – Consistent energy during outages

• Remote Properties & Cabins – Dependable power without grid access

Placeholder Image

What's Included

Everything you need is included with your product.

  • SUNON3.6 3.6kW Inverter
  • 200cm CAT6 communication cable for battery connection
  • WiFi dongle
  • Operation manual

RUiXU Single-Phase Off-Grid Inverter | SUNON3.6 | 3.6kW | UL1741 Specifications

Parallel mode

Specification Details
Permitted parallel number NO/1~6

AC mode

Specification Details
Rated input voltage 120Vac±5%
Input voltage range (90Vac-140Vac)±2%
Frequency 50Hz/60Hz (Auto detection)
Frequency Range 47±0.3Hz~55±0.3Hz (50Hz);| 57±0.3Hz~65±0.3Hz (60Hz);
Overload/short circuit protection Circuit breaker
Efficiency >95%
Conversion time (bypass and inverter) 10ms (typical)
AC reverse protection Yes
Maximum bypass overload current 40A

Inverter mode

Specification Details
Output voltage waveform Pure sine wave
Rated output power (VA) 3600
Rated output power (W) 3600
Power factor 1
Rated output voltage (Vac) 120Vac
Output voltage error ±5%
Output frequency range (Hz) 50Hz±0.3Hz/60Hz±0.3Hz
Maximum Efficiency >91%
Overload protection (102% < load <110%) ±10%: report error and turn off the output after5 minutes; | (110% < load < 125%) ± 10%: report error and turn off theoutputafter 10 seconds; | Load >125% ±10%: report error and turn off the output after 5seconds;
Loaded motor capability 2HP
Output short circuit protection Circuit breaker
Bypass circuit breaker specification 40A
Rated battery input voltage 48V (Minimum starting voltage 44V)
Battery voltage range 40.0Vdc~60Vdc±0.6Vdc (Undervoltage alarm/shutdown voltage/overvoltage alarm /overvoltage recovery... settable onLCDscreen)
Power saving mode self-consumption Load≤50W
Peak power 7200VA

AC charging

Specification Details
Battery type Lead acid or lithium battery
Maximum charge current (can be set) 40A
Charge current error ±5Adc
Charge voltage range 40 –60Vdc
Short circuit protection Circuit breaker and blown fuse
Circuit breaker specifications 40A

PV charging

Specification Details
Maximum PV open circuit voltage 300Vdc
PV operating voltage range 120-300Vdc
MPPT voltage range 90-260Vdc
Battery voltage range 40-60Vdc
Maximum PV input power 4500W
Maximum PV input current 27A
PV charging current range (can be set) 0-80A
Charging short circuit protection Blown fuse
Wiring protection Reverse polarity protection

Hybrid charging Max charger current specifications (AC charger+PV charger)

Specification Details
Max charger current(can be set) 0-80A

Certified specifications

Specification Details
Certification CE(IEC62109-1,2)/ UL 1741
EMC certification level EN61000, C2/FCC 15 class B
Operating temperature range -10°C to 55°C
Storage temperature range -25°C ~ 60°C
Humidity range 5% to 95%（Conformal coating protection）
Noise ≤60dB
Heat dissipation Forced air cooling, variable speed of fan
Communication interface USB/RS485(/WiFi/GPRS)/ Dry node control
Size (L*W*D) 460*280*110mm
Weight (kg) 7.8

Frequently-Asked Questions

Can this inverter charge from both solar and the grid? 

Yes. The SUNON3.6 supports hybrid charging, allowing it to charge from both solar panels and the grid simultaneously or independently.

How many inverters can be connected together? 

Up to six SUNON3.6 units can be connected in parallel for a total output capacity of 21.6kW.

What battery voltage does this inverter support? 

This inverter is designed for use with 48V battery systems.

Does the inverter support remote monitoring? 

Yes. It includes WiFi connectivity and supports app-based monitoring and control.

Manual