BluePulse Series Air-cooling Battery System 20-50kW / BC70-107kWh combines the KAC20-50DP2 Hybrid Inverter with the BC70/89/107DE2 Air-cooling Battery Cabinet to deliver a highly integrated, safe, and intelligent C&I energy storage solution. Combining native DC-coupled architecture, direct PV integration, and high-density LFP battery technology, the system maximizes solar utilization while ensuring safe, stable, and efficient energy storage. Featuring seamless 10ms-level backup switching, up to 97.5% conversion efficiency, flexible scalability for multi-MWh deployments, and a rugged outdoor design, the solution is ideal for applications across C&I facilities.

Key Features

High Efficiency & Maximum ROI

Up to 97.5% system efficiency 2× PV oversizing with 4 MPPTs Intelligent energy optimization for higher returns

Uninterrupted Power & Flexible Expansion

10ms-level* on/off grid switching time with integrated STS Max. 20 PCS parallel for on-grid, 10 PCS for on/off-grid situation Flexible expansion up to 4.28MWh

Industry-Leading Safety & Reliability

Tier 1 280Ah battery cells with 4+3 fire protection Intelligent air cooling for longer battery life IP66 protection for harsh outdoor environments

Smart Control & Seamless Integration

Fully integrated self-developed BMS, EMS & PCS Compatible with VPP and third-party EMS platforms Cloud-based monitoring and simplified O&M via KSTAR Sync