125kW 241kWh Air-Cooled Commercial & Industrial BESS | High-Voltage All-in-One Energy Storage System

Built for commercial energy management

The BESS-125K241 combines 15 high-voltage battery modules, each rated at 16.08kWh, into a 768V nominal DC battery system. With 241.15kWh of nominal storage and a 125kW rated AC output, it is suited to facilities that need to shift solar generation, manage periods of high electricity demand or reserve energy for essential loads. Actual discharge duration and available backup power depend on the site load, operating settings and usable battery capacity.

Flexible solar and power-source integration

The specified hybrid inverter supports both DC-connected PV and AC coupling, allowing project teams to assess storage additions for existing solar systems. Its PV input specification lists up to 250kW of PV input power and 10 MPPT trackers with 20 string inputs. A smart port is intended for integration with equipment such as grid-tied inverters, diesel generators and wind turbines. The final connections and operating modes should be confirmed against the site’s electrical design and the selected equipment.

Control and project expansion

Operators can configure six charging and discharging periods to match electricity tariffs and site operating hours. The system supports parallel deployment of up to 10 units; for installations exceeding six units, GSL ENERGY recommends a power distribution cabinet. This gives project developers a route to increase installed capacity as demand grows, subject to the approved parallel configuration.

Cooling, protection and deployment

The IP55 cabinet uses intelligent air conditioning for battery temperature management. The battery specifications state a cycle life of at least 6,500 cycles under the stated test conditions: 25°C ±2°C, 0.5C charge/discharge and 70% end-of-life capacity. The battery cabinet is listed at approximately 3,500kg excluding the inverter. EPC teams should confirm the final shipped configuration, foundation, access route and lifting plan before installation. Typical sites include factories, farms, hotels and commercial facilities near gas stations.