Biwatt advances sodium-ion battery technology emphasizing thermal stability, safety, and environmental benefits. Their cells operate from -30°C to 55°C, use abundant sodium to reduce resource strain, and support 3,000–5,000 cycles at high depth of discharge. The company also produces hybrid inverters compatible with sodium- and lithium-ion batteries and an energy cloud platform for remote diagnostics and real-time monitoring.
Key products include PowerNest residential ESS (modular, scalable from 4.5 kWh, indoor/outdoor, solar integration); PowerLake commercial & industrial ESS (e.g., 155 kWh PowerLake I2 with integrated inverter and <20 ms off-grid switching); PowerCircle mobility & starter batteries (12V, 40–100 Ah for EVs and backup); M2 portable power units for outdoor and low-temperature use; plus hybrid inverters and an energy cloud platform.
In 2025, Biwatt launched PowerLake I2 (155 kWh commercial sodium-ion ESS) and PowerNest R3 (4.5–72 kWh residential ESS) featuring IP54/IP65 ratings, rapid off-grid switching, 0V charging/discharging, and up to 6,000/5,000 cycle life. The company showcased its sodium-ion line at Intersolar Europe 2025 in Munich.
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