The Sailsolar SAS-BESS-P261 is a 261kWh liquid cooling cabinet designed for high-density commercial energy storage. Its advanced PFPE liquid cooling maintains temperature uniformity within 3°C, ensuring long cycle life and safety in a compact 1.4m² footprint. Featuring 314Ah LiFePO₄ cells, a 125kW PCS, and integrated EMS, it supports peak shaving and backup power. With up to 20 units in parallel, the system offers a scalable, certified solution for diverse industrial and grid applications.
Brand Name :
SAIL SOLARSystem Configuration :
261 kWh / 1P260SRated AC Output Power :
125 kWGrid Type :
3W+PE / 3W+N+PERated Frequency :
50 Hz / 60 HzBattery Type :
LiFePO4Cooling :
Active Liquid CoolingDimensions (W*D*H) :
1050 x 1350 x 2400 mm
Sailsolar 261kWh liquid cooling energy storage cabinet SAS-BESS-P261 incorporates the latest PFPE liquid cooling technology. Compared with air-cooling technology, it features a compact footprint which only 1.4m², advanced pack-level liquid cooling and temperature balancing, maintaining cell temperature differences within 3℃, enhances cell temperature consistency and extends battery life. It also designed high integration of PCS, EMS, lithium battery, etc., engineered to deliver the high performance, flexible, reliability, safety, and environmental adaptability that today ‘s commercial and industrial customers expect.
BESS-P261 has undergone a series of stringent tests including CE and UL9540A, relevant projects has covered almost all countrys in European, also Australia and America, supports diverse operating modes, including peak shaving, demand control, participation in energy trading, and off-grid backup power, ensuring fast response and precision control. The scalability of up to 20 units connected in parallel makes the All-in-One solution well suited for a wide range of applications.
Components Details
1) LiFePO4 Lithium Battery Pack, 8000 cycles + : 5 modules in 1P52S configuration, LFP 314Ah cells.
2) PCS: 1 unit, rated power 125kW, AC 400V, 3-phase 4-wire.
3) Chiller Unit: 1 unit, rated cooling capacity 5kW. Operating power supply: AC 220V; Communication: RS485.
4) Fire Protection System: Pack-level aerosol fire suppression system.
5) Charging/Discharging High-Voltage Control Box: 1 unit.
6) Battery Cabinet Enclosure Dimensions (L x W x H): 1050 x 1350 x 2400 mm.
7) Protection Rating: IP55, C4 corrosion resistance (per ISO 12944 / similar).
8) Certification: UN38.3, IEC62477-1, IEC61000, IEC62619, IEC63056, UL9540A, EN50549, etc.
Applying Example
The left topology diagram displayed a 1MW/2.3MWh integrated system for commercial and industrial self-consumption, combining solar generation with Li-ion battery storage. Its core component, the SAS-BESS-P261 cabinet, integrates battery packs, BMS and bi-directional PCS for compact deployment. The system maximizes solar self-use, performs peak shaving and grid arbitrage, and ensures ≤20ms backup switching for critical loads. The configuration includes 10 SAS-BESS-P261 units and a STS cabinet, offering a scalable turnkey solution for reducing energy costs and ensuring power reliability.
Tags :
Tel : +86 -18655186412
Email : Inquiry@sailsolarpv.com
Whatsapp : +86 -18655186412
Add : Building 7, Cross Border E-Commerce Supervision Zone, Hefei, China
