The SWE-540 is Sunwatch’s largest modular battery system, delivering an enormous 540kWh of power storage in a highly secure, containerised cabinet. Designed to support heavy industrial applications, EV charging points, hospitals, and national infrastructure — this unit offers a powerful combination of efficiency, safety, and grid independence.
With built-in fire protection, smart battery management systems, remote monitoring, and modular stackability, the SWE-540 ensures you can scale intelligently as energy needs grow — all while cutting costs and reducing your carbon footprint.
Rated output power 630kW / 625kW Grid voltage @50hz 400VAC
AC PV Power 60kW (optional)
DC PV Power 45kW (optional)
Battery Type: Lithium Iron PhosphateCapacity: 618~1030kWh / 2976kWh
Liquid Cooling
Size: (WxDxH) 2438x6058x2896mm

Whether stabilising grid demand or powering off-grid systems, the SWE-540 keeps your site running, no matter what.

With the SWE-540, councils can lead the charge on clean energy without waiting for grid upgrades.

For businesses that can’t afford downtime, the SWE-540 delivers quiet confidence — and long-term savings.
Unit 4 Sawmill close, Felthorpe, Norwich, NR10 4BH

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