| Model    | GS1000W | GS1500W | GS2000W | GS3000W | 
| ACInput
 | Nominal Power | 1000W | 1500W | 2000W | 3000W | 
| Input Voltage Waveform | Sinusoidal (utility or generator) | 
| Nominal input Voltage | 120/230VAC | 
| Low Line Disconnect | 85Vac±4%(Normal) or 80Vac±4% (Wide) for 120V184Vac±4%(Normal) or 135Vac±4%(Wide) for 230V
 | 
| High Line Disconnect | 136Vac±4%(Normal) or 140Vac±4%(Wide) for 120V263Vac±4%(Normal) or 263Vac±4%(Wide) for 230V
 | 
| Max AC input Voltage | 120V for Max150V, 230V for Max270V | 
| Frequency | 50Hz:41-54Hz, 60Hz:51-64Hz | 
| ACoutput
 | Output Voltage Waveform | Sine wave | 
| Power Factor | 0.9~1.0 | 
| Nominal Output Voltage (V) | LV:120Vac ±10%rms, HV:230Vac ±10%rms | 
| Nominal Output Frequency   (Hz)
 | 50Hz ± 0.3Hz, 50Hz ± 0.3Hz | 
| Solarcharger
 | Rated Charge Current | 40A | 60A | 
| PV Input Voltage range | 15VDC-40VDC for 12VDC, 30VDC-55VDC for 24VDC, 60-110VDC for 48V | 
| Max.PV open circuit array voltage
 | 12V for 40Vdc, 24V for 55Vdc, 48V for 110Vdc    | 
| Charger  mode | MPPT | 
| PV Low Voltage Re-connect
 | PV≥Bat.V+3V | 
| PV Low  Voltage Disconnect
 | PV?Bat.V | 
| Ef?ciency | ≥97% | 
| ACCharger
 | Nominal Charger Current
 | 35A/50A/70A/90A(According to the inverter model) | 
| 5 stages adjustable charging current | 
| Over charge Protection |  Bat.V≥15.5VDC for 12V battery?  Bat.V≥31.0VDC for 24V battery ? Bat.V≥62.0VDC for 48V battery beeps 0.5s every 1s & fault after 60s | 
| Efficiency | Efficiency(Battery Mode) | ≥87% | 
| Efficiency (Line Mode) | ?98% | 
| BatteryVoltage
 | Nominal DC input Voltage | 12/24/48VDC | 
| Low Battery Alarm | 10.5VDC±0.3VDC  for  12VDC | 
| 21VDC±0.6VDC  for  24VDC | 
| 42VDC±1.2VDC  for  48VDC | 
| High DC input Alarm & Fault
 | 16VDC±0.3VDC  for  12VDC | 
| 32VDC±0.6VDC  for  24VDC | 
| 64VDC±1.2VDC  for  48VDC | 
|   | Transfer Time
 | 20ms(max) | 
| SystemParameter
 | Over-Load Protection | 110%?load?150%, beeps 0.5s every 1s, and Fault after 60s offthe output?load?150%, beeps 0.5s every 1s, and Fault after 20s
 
 | 
| Output Short Circuit Protection
 | Current limit (Fault after 10s) | 
| Surge Rating(10s) | 1:3(VA) | 
| Power Saver | Load≤25W(Enabled on "P/S auto"Setting of Remote control) | 
| Protections | Low battery, over charging, over load, over temp | 
| GeneralSpecifications
 
 
 | Operating Temperature Range
 | 0??40? | 
| Storage Temperature | ?15??60? | 
| Operation humidity | 5% to 95%(non-condensing) | 
| Audible Noise | 60dB max | 
| cooling | Forced  air,variable speed  fan | 
| Dimension(L*W*H) | 480*336*190mm | 
| Net Weight(kg) | 19.5 | 21.5 | 23.5 | 28 |