Low Frequency Power Inverters 120V

Low Frequency Power Inverters 120V RI-LF-120V

RI-LF-120V series is a low frequency pure sine wave inverter with AC charger from 35A to 70A. Solar/AC priority configurable.

With pure copper transformer inside, it is suitable for all kinds of home and office appliances.

Front panel LED/LCD indicators and adjustable switch selectors. Selectable settings for flooded lead acid (opzs), AGM and GEL batteries.

RI-LF-120V series has been specially designed for North and South American countries that require output voltage of 120V and 50/60Hz.

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  • Rated power 1kw to 4kw.
  • Pure sine wave output
  • 3 times surge power
  • Wide frequency 40Hz-80Hz
  • Overload and short circuit protection
  • Built-in pure copper UI transformer
  • Smart battery charger designed for optimized battery performance
  • Cold start function
  • Support RS232 monitoring function with free CD
  • Support BTS and AGS function
  • DIP Switch offer customized performance
  • Remote Control Panel (optional)
  • Solar priority function
  • Compatible to generator


  • Home and office appliances
  • TV
  • Refrigerator
  • Fan
  • Lights
  • Computer
  • Other appliances


Nominal Battery System Voltage12VDC24VDC12VDC24VDC12VDC24VDC12VDC24VDC48VDC24VDC48VDC
Reted Power1.0KW1.5KW2KW3KW4KW
Surge Rating (20ms)3.0KW4.5KW6.0KW9.0KW12KW
Capable Of Starting Electric Motor 1HP2HP
Waveform Pure sine wave/ same as input (bypass mode)
Nominal Output Voltage RMS100V/110V/120VAC (±10% RMS)
Output Frequency50Hz/60Hz±0.3 Hz
Inverter Efficiency(Peak) >88%
Line Mode Efficiency >95%
Power Factor 1.0
Typical Transfer Time 10ms(max)
Voltage 120VAC
Selectable Voltage Range 80~135VAC(For Personal Computers)
Frequency Range 50Hz/60Hz (Auto sensing) 40~80Hz
Minimum Start Voltage 10.0VDC /10.5VDC for12VDC mode (*2 for 24VDC, *4 for 48VDC)
Low Battery Alarm 10.5VDC±0.3V for12VDC mode (*2 for 24VDC, *4 for 48VDC)
Low Battery Cut off 10.0VDC±0.3V for12VDC mode (*2 for 24VDC, *4 for 48VDC)
High Voltage Alarm 16.0VDC±0.3V for12VDC mode (*2 for 24VDC, *4 for 48VDC)
High Battery Voltage Recover 15.5VDC±0.3V for12VDC mode (*2 for 24VDC, *4 for 48VDC)
Idle Consumption-Search Mode<25W when power saver on
Output VoltageDepends on battery type
Charger AC Input Breaker Rrating 10A30A40A
Overcharge Protection S.D.15.7VDC for 12VDC mode (*2 for 24VDC mode, *4 for 48VDC mode)
Maximum Charge Current35A20A45A25A65A35A75A45A30A65A35A
Input Voltage Waveform Sine wave (grid or generator)
Nominal Input Frequency 50Hz or 60Hz
Overload Protection (SMPS Load)Circuit breaker
Output Short Circuit ProtectionCircuit breaker
Bypass Breaker Rating 10A30A40A
Max Bypass Current30Amp40Amp
MountingWall Mount
Dimensions (W*H*D)426*206*178 mm601*206*178mm
Net Weight (Solar CHG) kg 16.51721.1202624.524.838.235.8
Shipping Dimensions(W*H*D)  750*335*300mm
Shipping Weight (Solar CHG) kg19.32024.122.829.127.527.542.340
Operation Temperature Range0°C to 40°C
Storage Temperature -15°C to 60°C
Audible Noise 60dB MAX
Display LED+LCD
Standard Warranty 2 years

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