All-in-One PV + ESS System from China Suppliers: Quality, Safety, and Intelligent Energy Management Factory Solutions
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 has many outstanding features. Its energy-saving design significantly reduces operating power consumption, contributing to long-term cost savings and environmental sustainability. The high energy density enables it to store a large amount of energy in a relatively compact space, thereby optimizing the use of available space.
The system can quickly connect and disconnect from the grid, ensuring seamless integration with the PV system. This feature is critical for both grid-connected and off-grid applications, providing flexibility and reliability. The system has strong environmental adaptability and its small footprint makes it an ideal choice for projects with limited installation space.
The PV&ESS All in one system is even more outstanding in terms of power distribution and energy storage performance. It consists of several key components, including: a sturdy cabinet to provide reliable protection for internal components; an air-cooled air conditioner for efficient temperature control; an inverter for power conversion; a battery management system (BMS) to ensure battery safety and maintain optimal performance; a battery pack for energy storage; a fire protection system to enhance safety; and an electrical safety auxiliary system to provide comprehensive protection.
This integrated photovoltaic and energy storage device has a wide range of applications. In photovoltaic energy storage projects, it can efficiently store excess solar energy generated during the day and release it when needed, thereby improving 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℃) 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℃~+50℃ | ||
| Environmental humidity for use | 0~95%RH | ||
| Storage temperature | -20℃~+60℃ | ||
| 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
What are the main components of the PV&ESS All-in-One system?
The system consists of a robust protective cabinet, an air-cooled air conditioner for temperature control, a power inverter, a Battery Management System (BMS), a high-density battery pack, an aerosol fire protection system, and an electrical safety auxiliary system.
Can this system operate off-grid?
Yes, the PV&ESS system is designed for both on-grid and off-grid applications. It features quick connection and disconnection capabilities to ensure seamless power transitions and flexible utility.
What battery capacity options are available?
We offer three standard system configurations to match different power needs: 20kW/51.2kWh, 30kW/61.44kWh, and 50kW/107kWh.
How long is the service life of the battery pack?
The system utilizes high-quality LFP cells designed for durability. It supports a 90% Depth of Discharge (DOD) with a cycle life of over 6,000 times (at 0.5C rate under 25°C), retaining at least 80% of its capacity.
What safety mechanisms are built into the cabinet?
Safety is a top priority. The unit is equipped with individual PACK aerosol and overall Cabinet aerosol fire suppression systems, an electrical safety auxiliary system, and features an IP54 protection rating for outdoor environmental resilience.
What communication protocols does the system support?
The system supports multiple communication protocols including CAN, RS485, and WiFi, with an option to integrate 4G connectivity for remote monitoring and management.















