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Combi-functional, with intelligent shore and generator power management
Uninterrupted AC power (UPS function)
Virtually unlimited power thanks to parallel operation
Three phase capability
Power Control - Dealing with limited generator, shore side or grid power
Power Assist - Boosting the capacity of shore or generator power, an innovative feature of the CombiPlus
Four stage adaptive charger and dual bank battery charging
Energy Unlimited
Error message display
Programming auxiliary relay (x 3)
Programming input current limit for power share
Capacity expansion by max. 10 sets of solar chargers (Our SCC Series)

Stackable Inverter ~
Pure Sine Wave Inverter with AC Charger and Solar Charger (Option) + one more design [stackable function].
You may parallel RSO Series, according to your requirement.
One unit is about 3K, if you want to increase to 9K, you just need to parallel 3pcs RSO Series.
Connect directly with Solar system.
Natural Power System, Energy recycle for solar, Future trend.



RSO-3000SI-12 (12 Volt)
RSO-3000SI-24 (24 Volt)
RSO-3000SI-48 (48 Volt)


 Input Voltage Range (VDC)

9.5~16VDC / 19~32VDC / 38~64VDC

 Output Voltage (VAC)

 90~120VAC / 185~240VAC

 Output Frequency

50Hz / 60Hz ± 0.1%

 Output Voltage

Pure sine wave


< 5%

 Power Factor

All loads

 Switch-on Behavior

Nominal output voltage within 20 msec.

 Cont. Output Power at 25°C(W) (cos£c=1.0)


 Cont. Output Power at 40°C(W) (cos£c=1.0)


 Maximum Power (W)


 Maximum Efficiency (%)

90 / 92 / 94

 Zero-load Power (W)



 Input Voltage Range (VAC)

100~125VAC / 200~250VAC

 Input Frequency

45~55Hz / 55~65Hz

 Power Factor


 Charge Characteristic

4-stage adaptive

 Maximum DC Voltage Ripple (Vrms)

< 1.25 V

 Charge Voltage "Absorption" (VDC)

14.4V / 28.8V / 57.6V

 Charge Voltage "Float" (VDC)

13.8V / 27.6V / 55.2V

 Output Charge Voltage (VDC) Min.,Max.

8V,16V / 11V,32V / 22V,64V

 Charge Current House Battery (A)

40A / 70A / 120A

 Charge Current Starter Battery (A)



 Protected by Thermal Circuit Breaker


 Switch-over Time Inverter to AC Input

0 msec.

 Switch-over Time AC Input to Inverter 

0 msec.

 Detection Time AC Input Fault

4 msec. to 20 msec.

 Trip Level Mains to Inverter

90VAC / 180VAC

 Trip Level Inverter to Mains

94VAC / 187VAC

 Min.- Max. Frequency Range (50Hz/60Hz)

45~55Hz or 55~65Hz


 Power Control


 Power Assist


 Auto Transfer Switch (A)


 Multi-purpose Relay

3 relays


Output short circuit,
  Battery overvoltage,
Battery undervoltage,
Battery reverse polarity detection,
Over temperature,
High input voltage ripple

 Common Characteristics

Operating temperature range: -20°C to +50°C
(fan assisted cooling) Humidity: max 95% (non condensing)

 Weight (kg)


 Dimensions (L x W x H) mm

550 x 285 x 185 mm


 Solar Charger

SC Series RSO-SC-45A-1248 / RSO-SC-60A-1248
(Max. 10 sets for parallel connection)

 Remote Controller

 Remote monitoring available, optional cables: 3M/15M

 Battery Temperature Sensor (BTS)

Compensation for the battery charging voltage and current