If you’re thinking about rooftop solar, you’re usually putting together several pieces: an inverter, a battery, and an app to manage it all. Huawei wants to combine all of that into one box.
Huawei has launched the LUTERRA S2 in Palma, Spain. It’s an all-in-one home energy system that puts a hybrid inverter, battery storage and AI-powered energy management into a single stackable unit. Huawei says it can be installed and set up in minutes.
It comes in two versions:
Single-phase: 3 to 10kWThree-phase: 5 to 20kW
Small, efficient and quiet
The LUTERRA S2 is built on Huawei’s full silicon carbide (SiC) design. In simple terms, it loses less energy as heat, so Huawei can fit more power into a smaller unit. Huawei claims:
Up to 99% efficiencyA design lifespan of more than 15 yearsNo fans. It cools naturally and runs at under 29dB, quieter than a whisper
It has also won a Red Dot design award, so it’s meant to look good on your wall rather than hide in the storeroom.
AI that manages your energy
The system runs on Huawei’s AI Energy Management 2.0. It looks at weather forecasts, electricity prices, how much power your home is using and your battery status. It then decides how to balance your solar panels, battery, EV charger and heat pump.
For homeowners, there’s an AI Assistant you can chat with to understand your energy use. For installers, AI 3D modelling helps plan the setup by recognising your roof’s structure, and AI diagnostics make maintenance easier.
Built with safety in mind
Battery safety is a big deal for anything installed at home, and Huawei has put a lot of focus here:
Each battery cell is isolated to stop heat from spreading if one cell failsA smoke duct design releases pressure and smoke in a controlled directionConstant temperature monitoring on key connections
It has passed TÜV Rheinland safety testing, including a 20-minute fire test at 1,000°C and a hydrogen explosion test. It also has UL 9540A validation and TÜV Rheinland’s highest-level Safety Mark certification.
Key specs
InverterUp to 3 in parallel, 60kW maxBatteryUp to 48 packs in parallel, 336kWh maxEfficiencyUp to 99%Backup switchoverUnder 10ms, up to 20kW off-grid loadCooling and noiseFanless, under 29dBOperating temperature-25°C to 60°CProtectionIP66, up to C5-M corrosion protectionConnectivityEEBUS, SG-Ready, OCPP, Modbus-TCP
Availability
The LUTERRA S2 launched in Europe, and Huawei hasn’t announced Malaysian availability or pricing yet. For full details, visit the Huawei LUTERRA S2 product page.