Three-Phase Low-Voltage All-in-One Inverter ESS (12kW / 15kW)
Model No.: PS-AIO-3P-12K-30K / PS-AIO-3P-12K-32K
The Three-Phase Low-Voltage All-in-One Inverter ESS is an integrated hybrid solar energy storage solution combining a three-phase hybrid inverter, LiFePO₄ battery storage, and an intelligent Battery Management System (BMS) in a compact, floor-standing enclosure.
Available with 12kW and 15kW inverter power options, the system offers flexible battery capacity configurations of approximately 16kWh, 21kWh, and 32kWh to meet different residential and small commercial energy storage requirements.
Featuring three-phase 380/400V AC output, integrated solar PV charging, pure sine wave output, grid-connected operation, and generator input support, the system enables efficient solar energy utilization and reliable power management.
With IP65-rated protection, WiFi monitoring, optional 4G connectivity, and support for up to six units operating in parallel, the system is designed for residential solar self-consumption, three-phase hybrid energy systems, and backup power applications.
Key Features
– Three-phase low-voltage all-in-one energy storage system integrating hybrid solar inverter, LiFePO₄ battery and intelligent BMS
– Available inverter power options: 12kW and 15kW
– Flexible battery capacity configurations: 16kWh, 21kWh and 32kWh
– Three-phase 380/400V AC input and output
– Maximum PV input power: 15kW for 12kW models and 30kW for 15kW models
– Wide MPPT operating voltage range: 200–800V DC
– Maximum PV open-circuit voltage: 1000V DC
– Pure sine wave AC output for stable and reliable power supply
– Supports grid-connected operation and solar energy self-consumption
– Dedicated generator input for additional power supply flexibility
– Maximum six units operating in parallel
– IP65-rated enclosure for suitable indoor and outdoor installations
– LCD display with WiFi monitoring and optional 4G connectivity
– Suitable for residential three-phase solar storage, small commercial energy management and backup power applications
Technical Specifications
| Technical Parameter | 12kW Series | 15kW Series |
|---|---|---|
| System Configuration | ||
| System Type | Three-Phase Low-Voltage Hybrid ESS | Three-Phase Low-Voltage Hybrid ESS |
| Rated Inverter Power | 12kW | 15kW |
| Battery Capacity Options | 16.07 / 21.09 / 32kWh | 21.09 / 32kWh |
| Battery Chemistry | LiFePO4 | LiFePO4 |
| Maximum Parallel Units | 6 | 6 |
| Solar PV Input | ||
| Maximum PV Input Power | 15kW | 30kW |
| Maximum PV Input Current | 36 + 18A | 36 + 20A |
| Maximum PV Short-Circuit Current | 45 + 22.5A | 45 + 25A |
| Maximum PV Open-Circuit Voltage | 1000V DC | 1000V DC |
| MPPT Voltage Range | 200–800V DC | 200–800V DC |
| MPPT Full-Load Voltage Range | 350–800V DC | 350–800V DC |
| AC Input & Output | ||
| Rated Active Power | 12kW | 15kW |
| Maximum Apparent Power | 13.2kVA | 16.5kVA |
| Rated AC Voltage | 380 / 400V (3W+N+PE) | 380 / 400V (3W+N+PE) |
| Rated AC Current | 21 / 20A | 25 / 22.7A |
| Frequency | 50 / 60Hz | 50 / 60Hz |
| Output Waveform | Pure Sine Wave | Pure Sine Wave |
| Off-Grid Output Power Factor | 0.8 leading to 0.8 lagging | 0.8 leading to 0.8 lagging |
| Output Current THD | <3% of nominal power | <3% of nominal power |
| Generator Input | ||
| Rated Generator Input Power | 12kW | 15kW |
| Generator Input Voltage | 380 / 400V (3W+N+PE) | 380 / 400V (3W+N+PE) |
| Generator Input Frequency | 50 / 60Hz | 50 / 60Hz |
| Battery System | ||
| Nominal Battery Voltage | 51.2V DC | 51.2V DC |
| Nominal Battery Energy | 16.07 / 21.09 / 32kWh | 21.09 / 32kWh |
| Usable Energy (90% DOD) | 14.46 / 18.98 / 27kWh | 18.98 / 27kWh |
| Maximum AC Charging Current | 250A | 280A |
| Maximum PV Charging Current | 250A | 280A |
| Maximum Combined Charging Current | 250A | 280A |
| Maximum Discharge Current | 250A | 280A |
| Battery Operating Voltage Range | 43.2–58.4V DC | 43.2–58.4V DC |
| General Data | ||
| Display | LCD | LCD |
| Communication | USB | USB |
| Remote Monitoring | WiFi / Optional 4G | WiFi / Optional 4G |
| Ingress Protection Rating | IP65 | IP65 |
| Charging Temperature | 0°C to +55°C | 0°C to +55°C |
| Discharging Temperature | -20°C to +55°C | -20°C to +55°C |
| Relative Humidity | 5–95% (Non-condensing) | 5–95% (Non-condensing) |
| Maximum Operating Altitude | 4000m (Derating above 2000m) | 4000m (Derating above 2000m) |
| Dimensions & Weight | ||
| 16kWh Configuration | 550 × 298 × 1280mm / 175kg | Not applicable |
| 21kWh Configuration | 550 × 298 × 1550mm / 216kg | 550 × 298 × 1550mm / 216kg |
| 32kWh Configuration | 695 × 298 × 1550mm / 276kg | 695 × 298 × 1550mm / 286kg |
Notes: Specifications vary by inverter power and battery configuration. Nominal and usable energy values are based on the manufacturer’s technical documentation. Dimensions and weights refer to the complete integrated system. Specifications are subject to final technical confirmation.
Applications
Residential Energy Storage
The Three-Phase Low-Voltage All-in-One Inverter ESS provides an integrated solar energy storage solution for residential properties with three-phase electrical systems. Available with 12kW and 15kW hybrid inverter options and battery capacities ranging from approximately 16kWh to 32kWh, the system supports household solar self-consumption, energy management, and backup power applications. Its compact floor-standing design integrates the inverter, LiFePO₄ battery storage, and intelligent BMS, while IP65 protection and WiFi monitoring provide additional installation flexibility and convenient system management.
Emergency Backup Power
The Three-Phase Low-Voltage All-in-One Inverter ESS provides reliable backup power for residential properties and small commercial facilities during grid outages. With 12kW and 15kW three-phase hybrid inverter options and integrated LiFePO₄ battery storage capacities of approximately 16kWh to 32kWh, the system can support essential electrical loads such as lighting, refrigeration, communication equipment, and other critical appliances. Its integrated battery management system and generator input capability provide additional flexibility for maintaining power supply during extended outages.
Solar-Powered Applications
The Three-Phase Low-Voltage All-in-One Inverter ESS is designed for residential and small commercial solar energy storage applications. Available with 12kW and 15kW three-phase hybrid inverter options, the system supports photovoltaic input capacities of up to 15kW and 30kW respectively, with a wide MPPT operating voltage range of 200–800V DC. Integrated LiFePO₄ battery storage enables excess solar energy to be stored for use during nighttime or periods of low solar generation, helping improve solar self-consumption, optimize energy management, and reduce dependence on grid electricity.
Off-Grid & Remote Power
The Three-Phase Low-Voltage All-in-One Inverter ESS provides a flexible energy storage solution for off-grid homes, rural properties, remote facilities, and locations with unreliable grid electricity. Available with 12kW and 15kW three-phase hybrid inverter options and integrated LiFePO₄ battery capacities ranging from approximately 16kWh to 32kWh, the system supports independent power supply for essential electrical loads. Its integrated solar charging capability and dedicated generator input enable flexible energy management, while the IP65-rated enclosure provides additional installation flexibility for demanding environments.