SESS 4+2 Wheeled All-in-One ESS | 4kWh LiFePO4 Battery + 2kW Inverter

SESS 4+2: Wheeled All-in-One Energy Storage

CSSUN SESS 4+2 integrates a 4kWh LiFePO4 battery and a 2kW inverter in one wheeled cabinet. Designed for backup power and solar energy storage, it offers 230Vac output and an MPPT solar input range of 30–400Vdc. Match the connected load and starting-power requirements to the selected model.

• Integrated battery and inverter: 4kWh LiFePO4 storage with 2kW rated AC output in one unit.
• Solar input: MPPT voltage range 30–400Vdc. Maximum PV input power 3kW.
• Battery configuration: 12.8V nominal voltage and 314Ah rated capacity.
• Product dimensions: 390 × 230 × 670mm; approximately 30kg.
• Communication: RS485/WiFi interfaces are listed in the model datasheet; confirm the monitoring setup for your order.

Choose the Right SESS Model for Your Application

Start with your appliances’ running power, starting power and required backup time. For SESS 4+2, keep the connected load within the 2kW rated AC output and match the solar array to the specified PV input limits. Actual backup time depends on the load, battery condition and conversion losses.

The brochure above includes product information and battery performance reference curves. Confirm model-specific ports, charging conditions and the final supplied configuration before ordering; reference curves do not specify complete-system runtime.

Compare all 11 models in the Technical Data tab. The Скачать tab provides all model datasheets and the SESS series catalog.

Need help choosing a model? Share your appliance list, daily energy needs, solar-panel specifications and destination market with sales@cssun.net. CSSUN can help you select a suitable battery-and-inverter configuration for your project.