GOODWE 3.0kW GW3048-EM series bi-directional energy storage inverter can be used for both on-grid and off-grid
PV systems.
Technical Data GW3048-EM
Battery Input Data
Battery Type Li-Ion or Lead-acid*1
Nominal Battery Voltage (V) 48 
Max. Charging Voltage (V) ≤60 (Configurable) 
Max. Charging Current (A)*1 50
Max. Discharging Current (A)*1 50 
Battery Capacity (Ah)*2 50~2000 
Charging Strategy for Li-Ion Battery Self-adaption to BMS S
PV String Input Data
Max. DC Input Power (W) 3900 
Max. DC Input Voltage (V)*3 550 
MPPT Range (V) 100~500
Start-up Voltage (V)*4 150 
MPPT Range for Full Load (V) 280~500 
Nominal DC Input Voltage (V) 360
Max. Input Current (A) 11 
Max. Short Current (A) 13.8 
No. of MPP Trackers 1 
No. of Strings per MPP Tracker 1 
AC Output Data (On-grid)
Nominal Power Output to Utility Grid (W) 3000 
Max. Apparent Power Output to Utility Grid (VA)*6 3000 
Max. Apparent Power from Utility Grid(VA) 5300 
Nominal Output Voltage (V) 230 
Nominal Output Freqency (Hz) 50/60 
Max. AC Current Output to Utility Grid (A) 13.6 
Max. AC Current From Utility Grid (A) 23.6 
Output Power Factor ~1(Adjustable from 0.8 leading to 0.8 lagging)
Output THDi (@Nominal Output) <3%
AC Output Data (Back-up)
Max. Output Apparent Power (VA) 2300
Peak Output Apparent Power (VA)*8 3500,10sec
Automatic Switch Time (ms) 10 10 10
Nominal Output Voltage (V) 230 (±2%)
Nominal Ouput Frequency (Hz) 50/60 (±0.2%)
Max. Output Current (A) 10
Output THDv (@Linear Load) <3%
Efficiency
Max. Efficiency 97.6%
Max. Battery to Load Efficiency 94.5%
Euro Efficiency 97.0%