GoodWe 50kW Hybrid Energy Storage System Bundle with STS and 56.3kWh HV Battery (10-Year Warranty)
Commercial and industrial hybrid battery system overview
The GoodWe 50kW hybrid battery system is a complete C&I energy storage system designed for businesses that need reliable power, lower electricity costs, and seamless backup during grid interruptions. This bundle combines the GoodWe GW50K-ET-10 three-phase hybrid inverter, the GoodWe STS static transfer switch for dependable backup changeover, and the GoodWe BAT Series 56.3kWh high-voltage LFP battery for long-life energy storage.
Built for real-world operational needs such as self-consumption, time-of-use optimisation, peak shaving, and grid support, the GoodWe ET50 platform enables smart energy control for commercial sites while maintaining the expansion flexibility required for growing loads and future PV/battery upgrades.
What’s included in this GoodWe 50kW energy storage system bundle
Included components
Included: GoodWe GW50K-ET-10 hybrid inverter (50kW, three-phase) • GoodWe STS200-80-10 Static Transfer Switch • GoodWe BAT Series 56.3kWh HV battery (GW56.3-BA T-I-G10) • Standard monitoring capability via GoodWe platform options (model dependent) • Manufacturer warranty coverage (bundle listing states 10-year warranty).
Why this bundle is popular for C&I installations
This GoodWe 50kW hybrid inverter and battery bundle is ideal where energy continuity and cost control matter. The inverter manages PV generation, battery charging/discharging, and grid interaction, while the GoodWe STS supports fast, controlled switching to keep critical loads powered during outages. The 56.3kWh HV battery provides high usable capacity with long cycle life, making it practical for daily cycling and peak shaving strategies.
How the GoodWe 50kW hybrid system works on a commercial site
Energy flow in simple terms
During the day, solar power supplies on-site loads first, then charges the battery, and finally exports to the grid if configured. At night or during high-tariff periods, stored battery energy can be used to reduce grid usage. When the grid fails, the system can shift to backup operation through the GoodWe STS static transfer switch, supplying critical loads from solar and battery depending on conditions.
Operating modes that businesses actually use
Self-consumption: prioritise solar and battery to reduce grid reliance.
Time-of-use: charge/discharge based on tariff windows to cut cost per kWh.
Peak shaving: reduce demand spikes by discharging the battery during peak load events.
Grid support: operate strategically where grid stability or export management is required.
Backup power and fast switching with GoodWe STS
Why an STS matters for backup on a 50kW hybrid inverter
For many commercial sites, backup is not only about having power, but about how cleanly and reliably the changeover happens. The GoodWe STS enables controlled transitions between grid-connected and off-grid operation, helping critical circuits stay powered during outages and supporting smooth return to grid when supply is restored.
Generator integration and large load compatibility
The GoodWe STS supports integration with generators and helps accommodate large loads such as heat pumps and high-power motors (site design and load management still apply). This makes the system suitable for facilities that need layered redundancy: solar + battery + grid + generator.
GoodWe 56.3kWh high-voltage battery advantages for daily cycling
LFP battery chemistry built for stability
The included battery is based on LFP (LiFePO4) technology with high cycle stability and a long design life. It is specifically positioned by the manufacturer for small commercial and industrial applications and supports modern monitoring and control features for professional installations.
Flexible modular design for expansion planning
This battery platform is modular, supporting stacking configurations and scalability options. If your project grows, the GoodWe BAT architecture allows capacity planning that aligns with operational load and budget over time, rather than forcing a once-off oversized purchase.
Key specifications for the GoodWe 50kW hybrid inverter (GW50K-ET-10)
Battery input and power handling
Battery type: Li-Ion
Nominal battery voltage: 500 V
Battery voltage range: 200 – 800 V
Max continuous charging current: 100 A
Max continuous discharging current: 100 A
Max charging power: 55,000 W
Max discharging power: 55,000 W
PV input capability for commercial arrays
Max PV input power: 75,000 W
Max PV input voltage: 1000 V
MPPT operating voltage range: 165 – 850 V
Number of MPPT trackers: 4
Strings per MPPT: 2
AC output and efficiency
Nominal output power (on-grid): 50,000 W
Max apparent power output to grid: 55,000 VA
Nominal output voltage: 380 / 400 V (3L / N / PE)
Max efficiency: 98.1%
European efficiency: 97.5%
Max battery-to-AC efficiency: 97.7%
MPPT efficiency: 99.0%
Environmental rating and installation form factor
Ingress protection rating: IP66
Cooling method: Smart fan cooling
Operating temperature range: -35°C to +60°C
Mounting method: Wall mounted
Dimensions (W × H × D): 520 × 660 × 260 mm
Weight: 65 kg
Key specifications for the GoodWe STS (STS200-80-10)
STS switching and electrical characteristics
Nominal output voltage: 380 / 400 V (3L / N / PE)
Nominal AC frequency: 50 / 60 Hz
Switch time: < 10 ms
Ingress protection rating: IP65
Mounting method: Wall mounted
Power handling (matched to the 50kW platform)
Nominal apparent power (inverter side): 50,000 VA
Nominal apparent power (grid side): 50,000 VA
Nominal apparent power (backup side): 50,000 VA
Max apparent power without grid: 55,000 VA
Max current (inverter side): 75.8 A
Max current (backup side): 83.3 A
Key specifications for the GoodWe BAT Series 56.3kWh HV battery (GW56.3-BA T-I-G10)
Energy and voltage window
Cell type: LFP (LiFePO4)
Nominal energy: 56.3 kWh
Usable energy: 55.0 kWh
Nominal voltage: 563.2 V
Operating voltage range: 505.12 – 635.36 V
Performance and lifecycle
Cycle life: 6000 cycles (specified test conditions)
Depth of discharge: 100%
Round-trip efficiency: 96% (specified test conditions)
Max charge / discharge current: 100 A / 110 A
Max charge / discharge rate: 1C / 1.1C
Physical details for planning and installation
Total system weight: 517 kg
Dimensions (W × H × D): 481 × 1753 × 552 mm
Ingress protection rating: IP20
Cooling method: Natural cooling
Communication: CAN (RS485 optional)
Why this GoodWe 50kW hybrid + 56.3kWh battery bundle is a smart investment
Designed for savings, not just backup
Many businesses first look at backup power, but the real long-term value often comes from daily operational savings. The GoodWe 50kW hybrid inverter with a 56.3kWh battery enables tariff optimisation, peak shaving, and reduced grid dependency. This turns stored energy into a tool for controlling monthly electricity spend, not just an emergency resource.
Scalability and future-proofing
Commercial sites change over time. Loads grow, operating hours change, and tariff structures shift. A GoodWe C&I energy storage system is built to support expansion strategies such as additional PV strings, operational mode changes, and battery scaling (subject to project design), which helps you avoid a “rip and replace” upgrade later.
Monitoring, control, and professional commissioning
Smart operation and visibility
GoodWe systems support intelligent operation and monitoring features, enabling operators and installers to tune performance to the site’s objectives. A professionally commissioned setup ensures correct meter integration, correct CT orientation, correct backup load definition, and safe operating limits aligned to the facility’s electrical infrastructure.
Important note on system design
A 50kW hybrid battery system must be designed around your site’s maximum demand, critical load split, cable sizing, protection devices, and operational goals. For best results, this bundle should be deployed as part of a properly engineered solution including single-line diagrams, protection coordination, and commissioning tests.
What to confirm before ordering this GoodWe 50kW hybrid battery system
Quick checklist for accurate sizing
Confirm: your average and peak kW demand • which loads must run during outages • available roof/ground space for PV • desired backup runtime • tariff structure (TOU / demand charges) • allowance for generator integration if needed • electrical room space, ventilation, and safe access for HV battery installation.
Who this system is best for
Best for: factories, warehouses, farms, schools, office parks, retail centres, workshops, and commercial buildings that want reliable backup power and measurable electricity cost reduction through peak shaving and time-of-use optimisation.



















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