Model   
GS2000W
AC
Input
Nominal Power
2000W
Input Voltage Waveform
Sinusoidal (utility or generator)
Nominal input Voltage
120/230VAC
Low Line Disconnect
85Vac±4%(Normal) or 80Vac±4% (Wide) for 120V
184Vac±4%(Normal) or 135Vac±4%(Wide) for 230V
High Line Disconnect
136Vac±4%(Normal) or 140Vac±4%(Wide) for 120V
263Vac±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
AC
output
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
Solar
charger
Rated Charge Current
40A
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
Efficiency
≥97%
AC
Charger
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%
Battery
Voltage
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)
System
Parameter
Over-Load Protection
110%＜load＜150%, beeps 0.5s every 1s, and Fault after 60s off
the output，load＞150%, beeps 0.5s every 1s, and Fault after 20s
Output Short Circuit
Protection