Accessory equipment

TECHNICAL SPECIFICATIONS

Power Output: 50 kW  Max Efficiency: 98.1%
Brand: GoodWe  Ingress Protection: IP66
Display: LED, WLAN + App + CAN  Communication: RS485, CAN, Wi‑Fi + LAN + Bluetooth

Model: GW50K‑ET‑10

Battery Input

• Battery Type: Li‑Ion

• Nominal Voltage: 500 V

• Voltage Range: 200–800 V

• Startup Voltage: 200 V

• Number of Batteries: 1

• Max Continuous Charge / Discharge Current: 100 A

• Max Charge / Discharge Power: 55,000 W

PV String Input

• Total Max PV Input Power: 2 × 75,000 W = 150 kW

• Max Input Voltage: 1,000 V

• MPPT Operating Range: 165–850 V

• Startup Voltage: 200 V

• Nominal Input Voltage: 620 V

• Max Input Current per MPPT: 42 / 32 / 42 / 32 A

• Max Short‑Circuit Current per MPPT: 55 / 42 / 55 / 42 A

• Number of MPPTs: 4

• Strings per MPPT: 2

AC Output (Grid‑Tied)

• Nominal Output Power: 50 ,000 W

• Nominal Apparent Power: 50 ,000 VA

• Max Apparent Power (Grid to Inverter & Inverter to Grid): 50 ,000 VA

• Output Voltage: 380 / 400 V (3L/N/PE)

• Output Voltage Range: 176–276 V (phase voltage)

• Grid Frequency: 50 / 60 Hz (±5–15 Hz)

• Max AC Output Current: 75.8 A

• Power Factor: 0.8 leading to 0.8 lagging

• Total Harmonic Distortion (THD): < 3%

AC Output (Backup Mode)

• Rated Backup Power: 50 ,000 VA

• Max Off‑Grid Power: 55 ,000 VA (60 ,000 VA for 60 s; 75 ,000 VA for 10 s)

• Max Output Current: 83.3 A

• Output Voltage: 380 / 400 V (3L/N/PE)

• Output Frequency: 50 / 60 Hz

• THD (< Linear Load): < 3%

Efficiency

• Maximum Efficiency: 98.1%

• Euro Efficiency: 97.5%

• Max Battery-to-AC Efficiency: 97.7%

• MPPT Efficiency: 99.0%

Protection & Safety

• PV String Current Monitoring: Integrated

• PV Insulation Fault Detection: Integrated

• Residual Current Monitoring: Integrated

• Reverse Polarity (PV/Battery): Integrated

• Anti-Islanding: Integrated

• AC Overcurrent Protection: Integrated

• DC Switch (PV side): Integrated

• PV Surge Protection: Type II (Type I+II optional)

• AC Surge Protection: Type II

• AFCI (Arc-Fault): Optional

• Remote Shutdown: Integrated

General Specifications

• Operating Temperature: –35 °C to +60 °C

• Relative Humidity: 0–95%

• Max Altitude: 4,000 m

• Cooling: Intelligent Fan Cooling

• User Interface: LED, WLAN + App + CAN

• BMS Communication: RS485

• Meter Communication: LAN / 4G (Optional)

• Mounting: Wall-Mount

• Weight: 65 kg

• Dimensions (W×H×D): 520 × 660 × 260 mm

• Protection Class: IP66

• Topology: Transformerless

• Night Self-consumption: < 15 W

* Backup mode requires STS Box (Static Transfer Switch).
* In Australia, PV input up to 2×Pn can be allowed (e.g. 100 kW per inverter).
* Output voltage range refers to phase voltage.
* Please visit GoodWe’s website for the latest certifications.

INNOVATION AS GOODWE’S CORE COMPETITIVE ADVANTAGE

GoodWe is a global leader in solar inverters (PV) and energy storage solutions. It was ranked #1 worldwide for residential hybrid inverters by Wood Mackenzie (2020), and a Top‑3 global hybrid inverter supplier in 2021.

Additionally, GoodWe is listed among the Top‑10 inverter suppliers by IHS Markit and has received 6 TÜV Rheinland Awards.
With over 600 R&D engineers and 4,000 employees across 20+ countries, GoodWe delivers high‑quality, high‑performance inverters for residential, commercial, and large‑scale industrial solar systems.