HomeProductsSolar Energy SystemIndustrial Solar Systems20kW Solar System Three-Phase Hybrid with 40kWh Battery Complete PV ESS for European

20kW Solar System Three-Phase Hybrid with 40kWh Battery Complete PV ESS for European

  •  - The UEC 20kW + 40kWh PV+ESS system is a fully integrated three-phase hybrid solar energy solution, designed for European grid standards. It includes a 20kW inverter, 40.96kWh HV lithium battery, and 36 × 590W bifacial solar modules, delivering up to 120kWh/day solar generation and seamless off-grid capability.

  • ⚡ 20kW AC Output @ 230/400V (50Hz): Ideal for European homes, villas, farms & shops - 
  • 🔋 40.96kWh High-Voltage Battery Storage: Modular, stackable, and CE/IEC certified - 
  • 🔌 Off-Grid Support: Up to 22kVA peak power when grid is lost - 
  • 🧠 Dual MPPT Inverter: Wide PV voltage range (150–850V), generator-ready - 
  • 📶 WiFi Monitoring Included: Real-time system control and remote access - 
  • 🛠️ Complete Kit Delivery: Brackets, cables, combiner boxes, instructions included - 
  • ✅ One-Stop Solution: From generation to storage, ready for plug & install - 
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Product Description

The UEC 20kW PV + 40kWh ESS package is a turnkey hybrid energy system tailored for grid-connected or off-grid applications across Europe. Designed for simplicity and performance, the system consists of:

  • 1× 20kW hybrid inverter with dual MPPTs, 97.6% max efficiency, and flexible AC output (220/380V, 230/400V @ 50Hz)
  • 36 × 590W bifacial N-type Topcon solar panels, delivering up to 120kWh/day
  • 1 battery cluster of 8 HV modules + 1 HV box, totaling 40.96kWh usable energy (409.6V @ 100Ah), with CE/IEC certification
  • All necessary DC/AC cables, mounting brackets, and monitoring platform

The inverter supports generator input, off-grid operation, and smart energy scheduling, making it ideal for rural electrification, commercial self-consumption, or critical load backup.

Battery configurations are flexible from 40kWh to 100kWh, and inverter parallel operation is supported up to 10 units.

Technical Specifications

ComponentSpecification
Inverter Model20kW 3-phase hybrid inverter
AC Output Voltage220/380V, 230/400V (50Hz), 3L/N/PE
Max AC Power22kVA (off-grid mode)
MPPT Range150–850V
MPPT Inputs2
Inverter EfficiencyMax 97.6%
Solar Panel ModelUE-590T-72HBD (590W Topcon)
Panel Quantity36 pcs
Daily PV Generation80–120kWh/day
Battery ClusterHV 409.6V / 100Ah = 40.96kWh
Battery ChemistryLiFePO₄ (LFP)
Battery Voltage Range368.4V – 460.8V
Battery Scalability40kWh to 100kWh
MonitoringWiFi module, remote cloud platform
Installation TypeRooftop PV + floor/wall-mount battery
CertificationsCE, IEC for inverter, battery, PV modules
ApplicationVillas, schools, farms, offices, shops

FAQS

Q :

Is this system compatible with European three-phase grids?

A :

Yes. The inverter is designed for 230/400V @ 50Hz, perfect for EU grid standards.

Q :

Can I expand the battery later?

A :

Yes. The battery cluster supports modular expansion from 40kWh to 100kWh, and up to 10 inverters in parallel.

Q :

Does the system support generator backup?

A :

Absolutely. It features a generator input port and can operate in full off-grid mode when needed.