MARSTEK, a leading global innovator in energy storage solutions, participated in Solar Solutions Düsseldorf 2025, where it presented its latest advancements in energy storage and smart charging with the new VENUS products.
Spotlight on Innovation
A key highlight was the MARSTEK VENUS G, a stackable 5kW AC-coupled ESS with 500V V-Boost technology. It combined a bidirectional inverter with 10kW peak power, ultra-fast backup switching, and modular capacity expansion from 5kWh to 30kWh. With 7.5kW AC PV input, it integrated seamlessly with Enphase, SolarEdge, and other PV systems, while the 7.5kW on-grid input enabled fast, low-tariff charging. Designed for easy retrofits, it offered monitoring through a smart app and multiple communication interfaces.
The 11kW Three‑Phase EV AC Charger was also highlighted, built for the MARS I PLUS Three-Phase system. With adaptive load balancing, robust IP54/IK10 protection, and ISO 15118 readiness, it was engineered for safe, flexible, and future-proof EV integration.
Another highlight was the MARSTEK VENUS D (AC Version), a plug-in ESS delivering 2.5kW bidirectional on-grid power with peak backup support up to 3.0kW. Its stackable modular design expanded from 2.56kWh to 15.36kWh, while AI forecasting and intelligent grid interaction ensured efficient, policy-compliant energy management.
Beyond these launches, MARSTEK also showcased its Balcony ESS range (VENUS A, D, and E with Smartbox) and residential ESS solutions, including the MARS I PLUS three‑phase and VENUS X.
During the event, MARSTEK hosted a special launch on the evening of December 3, unveiling the newest additions to the VENUS series alongside its HEMS (Home Energy Management System) platform. HEMS featured AI-powered energy optimization, smart energy management, monitor-anywhere control, efficient heat pump synergy, advanced charging linkage, and proactive backup power, offering attendees a comprehensive preview of MARSTEK’s vision for intelligent, connected home energy ecosystems.
Founded in 2009, MARSTEK has established itself as a global innovator in energy storage, integrating R&D and manufacturing to deliver comprehensive solutions. Its portfolio includes residential and balcony ESS, portable power stations, power banks, and rechargeable batteries, reflecting the company’s dedication to making smart, affordable energy accessible to households worldwide.
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