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GoodWe ET LV series inverter
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GoodWe / Inverters

GoodWe GW20K-ET-L-G10 20kW Three Phase LV Hybrid Inverter

20kW three-phase hybrid inverter for 48V low-voltage batteries, with 4 MPPTs, 2 battery inputs and up to 40kW of PV input. Supports lithium iron phosphate or lead-acid batteries, generator charging and backup switching in under 4ms.

PKR 750,000

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5 years replacement warranty

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  • 40kW maximum PV input
  • 4 MPPTs / 20A per string
  • 48V batteries / 40–60V range
  • 208 / 208 A continuous battery current
  • Backup switching <4ms
  • Up to 150% unbalanced output
  • IP66 / C4 corrosion protection

Product overview

Brand
GoodWe
Model
GW20K-ET-L-G10
Capacity
20 kW
System type
Hybrid
Warranty
5 years replacement warranty
Availability
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Specifications are taken from the manufacturer’s product information for the model shown. Your quotation will confirm the supplied configuration, compatible equipment and local warranty coverage.

Download datasheet (PDF)Manufacturer information ↗
ENGINEERING DETAILS

Technical specifications

GW20K-ET-L-G10 · Select a section to view its specifications.

Battery input
Battery type
LFP (LiFePO4) / lead-acid
Nominal battery voltage
48 V
Battery voltage range
40–60 V
Battery start-up voltage
30 V
Battery inputs
2
Maximum continuous charging current
208 / 208 A
Maximum continuous discharging current
208 / 208 A
Maximum charging power
20 kW
Maximum discharging power
22 kW
PV input
Maximum PV input power
40 kW
Maximum input voltage
1,000 V
MPPT operating voltage range
150–850 V
PV start-up voltage
180 V
Nominal input voltage
620 V
Maximum current per MPPT
20 / 20 / 20 / 20 A
Maximum short-circuit current per MPPT
26 / 26 / 26 / 26 A
MPPT trackers
4
Strings per MPPT
1 / 1 / 1 / 1
AC side — on-grid
Nominal power
20 kW
Maximum power
22 kW
Nominal apparent power to grid
20 kVA
Maximum apparent power to grid
22 kVA
Nominal apparent power from grid
20 kVA
Maximum apparent power from grid
48.3 kVA
Nominal voltage
400 / 380 V, 3L / N / PE
Voltage range
295–502 V
Nominal frequency
50 / 60 Hz
Frequency range
45–65 Hz
Maximum current to grid
31.9 A at 230V / 33.3 A at 220V
Maximum current from grid
70 A
Nominal current from grid
30.3 A at 220V / 29 A at 230V
Nominal current to grid
30.3 A at 220V / 29 A at 230V
Power factor
Approximately 1; adjustable from 0.8 leading to 0.8 lagging
THDi
<3%
Backup output
Nominal apparent power
20 kVA
Maximum apparent power
22 kVA (40 kVA for 10s)
Maximum apparent power with grid
48.3 kVA
Maximum bypass output current
70 A
Nominal output voltage
400 / 380 V, 3L / N / PE
Nominal output frequency
50 / 60 Hz
Switching time
<4 ms
Unbalanced output
Up to 150%
Generator input
Nominal apparent power
20 kVA
Maximum apparent power
20 kVA
Nominal voltage
400 / 380 V
Nominal frequency
50 / 60 Hz
Frequency range
45–55 / 55–65 Hz
Maximum current
30.3 A
Battery charging from generator
Supported
Efficiency
Maximum efficiency
97.8%
European efficiency
97.4%
Maximum battery-to-AC efficiency
95.5%
MPPT efficiency
99.9%
Protection
PV string current monitoring
Integrated
PV insulation resistance detection
Integrated
Residual current monitoring
Integrated
PV reverse polarity protection
Integrated
Battery reverse polarity protection
Optional (integrated for these models in Brazil)
Anti-islanding protection
Integrated
AC overcurrent protection
Integrated
AC short circuit protection
Integrated
AC overvoltage protection
Integrated
DC switch
Integrated
DC surge protection
Type II
AC surge protection
Type II
AI-driven AFCI
Optional (integrated in Brazil)
Rapid shutdown
Optional
Remote shutdown
Integrated
General data
Operating temperature
−35 to +60°C
Relative humidity
0–95%
Maximum operating altitude
4,000 m
Cooling
Smart fan cooling
User interface
LCD
BMS communication
CAN
Communication
Wi-Fi + LAN + Bluetooth, 4G, RS485, CAN
Communication protocols
Modbus RTU (RS485), Modbus TCP/IP (Ethernet), SunSpec Modbus RTU
Weight
51.2 kg
Dimensions (W × H × D)
551 × 756 × 258 mm
Noise
<45 dB
Night self-consumption
<15 W
Ingress protection
IP66
Mounting
Wall mounted
Anti-corrosion class
C4

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