
The ESS HV 30KW 66KWH INDUSTRIAL&COMMERCIAL ENERGY STORAGE SYSTEM is the premium solution for users who demand maximum power, long backup duration, and efficient clean energy at scale.
The Features of ESS HV 30KW 66KWH INDUSTRIAL&COMMERCIAL ENERGY STORAGE SYSTEM

Hospital
Available
Office
Available
Pure Sine Wave
Pure Sine Wave
Gas Station
Available
Grid
Feed-in to Grid
Generator
Workable with Generator
MPPT
Wide MPPT Range 320-800V
Monitoring
Monitoring
The Technical Parameter of ESS HV 30KW 66KWH INDUSTRIAL&COMMERCIAL ENERGY STORAGE SYSTEM
| Parameter | Value |
|---|---|
| Model | ESS HV 30KW+66KWH |
| Battery | |
| Maximum Battery Voltage | 850V |
| Minimum Battery Voltage | 200V |
| Rated Battery Voltage Range | 320V–820V |
| Maximum Battery Current | 100A |
| PV Parameter | |
| Maximum Power | 19.2kW + 19.2kW |
| Maximum PV Voltage | 850V |
| PV Startup Voltage | 250V |
| MPPT Voltage Range | 200V–800V |
| Maximum PV Current | 32A + 32A |
| AC Side (Grid Connected) | |
| Rated Power | 30kVA |
| Rated Current | 43.5A |
| Rated Grid Voltage | 400V / 230V |
| Voltage Range of Power Grid | -20%~15% |
| Start the Impulse Current | 8.5A |
| Grid Frequency Range | 50Hz (47Hz~52Hz) / 60Hz (57Hz~62Hz) |
| Current Harmonics | <3% |
| Power Factor | -1~1 |
| AC Side (Off Grid) | |
| Rated Output Power | 30kVA |
| Maximum Output Power | 33kVA |
| Maximum Output Current | 43.5A |
| Rated Voltage | 400V / 230V |
| Output Voltage Harmonics | <3% |
| Imbalance | 100% |
| Over Load | 1.1 times long-term / 1.25 times 100s / 1.5 times 100ms |
| System Parameter | |
| Off Grid Switching Time | <10ms |
| Maximum Efficiency | 97.8% |
| Power Consumption | Standby<20W / No load<100W |
| Protection Grade | IP20 (Core Control Part IP5X) |
| Battery | |
| Nominal Battery Voltage | 320VDC |
| Rated Energy | 66KWh (0.5C, 25℃) |
| Usable Energy (90%DOD) | 59.4KWh |
| Max. Charge/Discharge Current | 100A / 100A |
| Operation Voltage Range | 290VDC~350VDC |
| Operation Temperature | -10℃ ~ +50℃ |
| Other | |
| Humidity | 5%–95% |
| Cooling Method | Intelligent air cooling |
| Altitude | 4000m (used for derating over 2000m) |


Why Choose the ESS HV 30KW 66KWH INDUSTRIAL&COMMERCIAL ENERGY STORAGE SYSTEM?
High-Capacity Energy Solution
With 30KW rated output and 66KWH battery storage, this system is built for large-scale residential, commercial, and industrial applications requiring continuous and stable power.Superior Battery Performance
High-voltage 320VDC battery design with usable energy of 59.4KWH ensures efficient long-duration backup and reduced dependency on the grid.Outstanding Solar Utilization
Dual PV inputs (19.2kW+19.2kW) with MPPT voltage range of 200–800V maximize solar harvesting and provide flexible configuration for large solar arrays.High Efficiency & Low Loss
Maximum efficiency up to 97.8% with current harmonics <3% and power factor -1~1 ensures minimal energy loss and stable grid interaction.Seamless Power Switching
Fast transfer time (<10ms) guarantees uninterrupted operation for sensitive equipment and mission-critical systems.Strong Safety & Reliability
Advanced overload protection, wide operating voltage range, intelligent air cooling, and IP20/IP5X protection deliver durable and safe performance.Future-Proof for Demanding Users
Designed to meet the needs of high-consumption environments, it is the ideal choice for factories, commercial buildings, and large estates aiming for energy independence and sustainability.
The ESS HV 30KW 66KWH INDUSTRIAL&COMMERCIAL ENERGY STORAGE SYSTEM product adopts an integrated energy storage cabinet as the carrier of the energy storage system, with amodular design that integrates a set of iron phosphate battery cabinet, battery management system BMS, energystorage inverter pCs, local control system ES, fire protection and other equipment into the integrated cabinet. itcan be flexibly deployed in various industrial and commercial application scenarios to help enterprises reduceelectricity costs.You could contact us to get a quotation or get a free all-in-one solution for an inverter battery