SUNGROW PowerStack 249kWh DC-Coupled
SUNGROW
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SUNGROW PowerStack 249kWh DC-Coupled Liquid Cooled C&I Energy Storage System

Manufacturer Sungrow
Item No. ST245CS-S-2H
EAN ST245CS-S-2H

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Technical details
Weight 2800 kg
Max. depth of discharge 100 %
Ambient temperature -30 .. 50 °C
Corrosion protection C5
Cooling method Liquid
Battery cell type LFP
Nominal battery capacity 249 kWh
Width 1150 mm
Height 2450 mm
Depth 1610 mm


Downloads

Datasheets (1)
DS_ST245CS-S-2H.pdf
Instructions (2)
QIG_ST245CS-S-2H.pdf USER MANUAL_ST245CS-S-2H.pdf
Certificates (4)
CT-ST245CS-S-2H-IEC62477.pdf Sungrow_Certificate_EMC_ST245CS.pdf Sungrow_Certificate_IEC62040_ST245CS.pdf Sungrow_SDS_ST245CS-S-2H.pdf

Manufacturer information

Sungrow is a global manufacturer of PV inverters and energy storage systems, founded in 1997 in Hefei, China. It ranked No. 1 in global PV inverter shipments for 2025 and has over 1,000 GW of converters installed worldwide.

Product description

The Sungrow ST245CS-S-2H is a liquid-cooled C&I battery cabinet (PowerStack) with a 249 kWh LFP battery (314Ah cells, 248S1P, 669–880V), DC-side only — no integrated PCS. Intelligent liquid cooling holds cell temperature difference ≤2.5 °C across a −30 to +55 °C range (derating >40 °C), with IP55, C5 anti-corrosion, external auxiliary power supply, and ≤65 dB operation. Safety includes AI cell-health monitoring, electrical over-current fast breaking and arc extinguishing, and three-level fire prevention with gas/smoke/heat detection and hot aerosol suppression. Ethernet/Modbus TCP communication, iSolarCloud monitoring. Dimensions 1150 × 2450 × 1610 mm, ≤2800 kg. Certified IEC 62619/63056/62040/62477/61000/62933, UN 38.3, UL9540A.