Deye MS-GS215-2H3 On & Off Grid Battery Storage System

The Deye MS-GS215-2H3 is an air-cooled solar and battery storage system for commercial and industrial applications. With 215 kWh storage capacity, 100 kW AC output power and integrated PV connection up to 200 kWp, the system is ideally suited for grid-connected applications, backup solutions and off-grid scenarios. The compact design, IP54 outdoor protection rating and communication interfaces ETH/4G, CAN, RS485 and Ethernet make the system a powerful all-in-one solution for optimising self-consumption, load management and supply reliability.

Key features at a glance

• 215 kWh storage capacity for demanding C&I applications
• 100 kW AC output power for on-grid, backup, and off-grid operation
• Integrated PV connection with up to 200 kWp PV access power, 160 kW PV input power and 8 MPPT
• High system efficiency with up to 88% RTE and 97.6% maximum converter efficiency
• Robust outdoor housing with IP54, corrosion protection class ≤ C5 and operating temperature from -20 °C to +50 °C
• Up to 10 systems can be operated in parallel in off-grid mode

Technical performance and system configuration

The Deye MS-GS215-2H3 delivers 100 kW AC power at 50/60 Hz and 380/400 Vac. The battery voltage is in the range of 660 to 864 Vdc, while the system operating voltage is DC 600 to 935 V in grid mode and DC 700 to 935 V in off-grid mode. With a maximum AC output current of 167 A, a power factor of -1 to 1 and a THD of less than 3%, the system is also suitable for demanding load profiles in commercial settings.

On the PV side, the system supports a maximum PV access power of 200 kW, a maximum PV input power of 160 kW and 8 MPPT trackers. The MPPT voltage range is 180 to 750 V, the full-load range 450 to 750 V. This allows the system to be flexibly integrated into larger photovoltaic projects and precisely matched to different string layouts.

For system monitoring, LCD display, ETH/4G communication as well as CAN, RS485 and Ethernet are available. Protection functions such as DC Type II / AC Type II surge protection, protection class 1 and relevant grid and system certifications underscore the suitability for professional C&I energy storage projects.

Applications and scaling

The MS-GS215-2H3 is designed for various application scenarios: as a grid-connected solar and storage solution, as an on-grid backup system, and as an off-grid system with generator connection and critical loads. This makes the system particularly suitable for manufacturing companies, commercial properties, logistics sites, infrastructure projects, and businesses seeking to reduce energy costs and simultaneously increase supply reliability.

• Commercial and industrial with high self-consumption, peak loads or backup requirements
• PV projects in the C&I sector with need for self-consumption optimisation and storage integration
• Locations with critical loads such as production lines, IT infrastructure or technical installations
• Off-grid and hybrid projects with generator connection and scalable system configuration

FAQs on the Deye MS-GS215-2H3

Can the Deye MS-GS215-2H3 be operated both grid-connected and off-grid?

Yes, the system supports both on-grid and off-grid operation. Typical application scenarios include grid-connected storage solutions, on-grid backup solutions as well as off-grid systems with generator connection and supply to critical loads.

How much PV power can be combined with the system?

The MS-GS215-2H3 supports up to 200 kW PV access power and 160 kW maximum PV input power. In addition, 8 MPPT trackers are available, allowing even larger and more complex PV layouts to be connected efficiently.

Is the system suitable for outdoor use?

Yes, the housing is classified as IP54 and designed for operating temperatures from -20 °C to +50 °C. The maximum allowable working height is 3000 m; in addition, the system is designed with a corrosion protection class up to ≤ C5.

What communication interfaces and monitoring functions are available?

The system uses ETH/4G for system communication and provides CAN, RS485 and Ethernet at converter level. An LCD display supports local status indication and makes commissioning and ongoing monitoring easier.

How scalable is the Deye MS-GS215-2H3?

In off-grid operation, up to 10 systems can be operated in parallel. This makes the system suitable for scalable projects with growing energy demand or for applications with increased requirements for redundancy and supply reliability.