China Suppliers Factory: SOSIAT All-in-One PV and ESS System with Smart Energy Management and Safety Features
Product Overview
The PV&ESS integrated system is a highly innovative integrated photovoltaic energy storage device that has been carefully designed to fully meet the evolving needs of energy storage systems (ESS) and photovoltaic energy storage distributed systems.
This cutting-edge device features an energy-saving design that significantly reduces operating power consumption, contributing to long-term cost savings and environmental sustainability. Its high energy density optimizes space utilization by storing large amounts of energy in a compact footprint.
Designed for both grid-connected and off-grid applications, the system connects and disconnects quickly from the grid, ensuring seamless integration and high environmental adaptability.
- Key Components: Sturdy cabinet, air-cooled air conditioner, inverter, battery management system (BMS), battery pack, fire protection system, and electrical safety auxiliary system.
- Applications: Efficiently stores excess solar energy during the day and releases it when needed, maximizing the utilization rate of renewable energy.
Product Parameters
| System specifications | 20kW/51.2kWh | 30kW/61.44kWh | 50kW/107kWh |
| System battery DC voltage | 512V | 614V | 716V |
| Battery voltage range | 432-576VDC | 490-690VDC | 582-806VDC |
| Cell type | LFP 3.2V/100Ah | LFP 3.2V/100Ah | LFP 3.2V/150Ah |
| Single PACK configuration | 102.4V100Ah/10.24kWh | 102.4V100Ah/10.24kWh | 102.4V150Ah/15.36kWh |
| Number of system PACKs | 5PCS | 6PCS | 7PCS |
| Total system capacity | 51.2kWh | 61.44kWh | 107kWh |
| Rated power of inverter | 20kW | 30kW | 50kW |
| MAX. PV input power | 26kW | 39kW | 65kW |
| Charge discharge rate | ≥0.5C | ≥0.5C | ≥0.5C |
| Thermal management method | Intelligent air cooling | ||
| Discharge depth & Battery life | 90%DOD >6000Times(0.5C@25°C) Energy retention rate≥80% | ||
| Fire Protection Plan | PACK aerosol/ Cabinet aerosol | ||
| Rated grid voltage | 380VAC (3L+N+PE) | ||
| Rated grid frequency | 50/60Hz±5Hz | ||
| Communication method | CAN/RS485/WiFi (4G Optional) | ||
| Operating mode | On/ off grid | ||
| Access method | Communication bottom inlet/3phase/3L+N+PE | ||
| Temperature for use | 0°C~+50°C | ||
| Environmental humidity for use | 0~95%RH | ||
| Storage temperature | -20°C~+60°C | ||
| Working altitude | 2000m (>2000m Reduced usage) | ||
| Protection grade | IP54 | ||
| Product size | 1100*1260*1525mm | 1100*1260*1725mm | 1255*1445*1960mm |
| Product weight | 1100kg | 1250kg | 2100kg |
Frequently Asked Questions
The system is available in three primary specifications: 20kW/51.2kWh, 30kW/61.44kWh, and 50kW/107kWh to suit different energy demands.
The system features a 90% Depth of Discharge (DOD) with a battery cycle life exceeding 6,000 times (measured at 0.5C and 25°C) while retaining at least 80% of its energy capacity.
For thermal management, the system uses an intelligent air cooling setup. For fire safety, it is equipped with a dual-level aerosol protection plan covering both the individual battery PACKs and the main cabinet.
Yes. The system is designed to operate in both on-grid and off-grid modes, allowing quick connection and disconnection to ensure seamless power delivery.
The system features an IP54 protection grade, suitable for outdoor use. It operates efficiently in temperatures ranging from 0°C to +50°C and relative humidity levels of 0% to 95% RH.















