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At a glance – RCT
RCT Power GmbH, based in Constance on Lake Constance, develops and manufactures inverters and stationary high-voltage storage systems for private and commercial applications. RCT is one of the few manufacturers to supply complete battery systems and inverters from a single source – perfectly matched to each other. The systems impress with their quality, easy installation, flexible operation, and intelligent energy management for greater independence. In the event of a power outage, the backup power function automatically takes over. An experienced team of experts drives innovative, sustainable solutions for the long-term and efficient use of solar energy forward.
News
RCT Power Recognized as a Global Tier 1 Energy Storage Manufacturer by BloombergNEF
RCT Power is proud to announce its inclusion in the Q4 2024 Global Tier 1 Energy Storage Manufacturers List released by Bloomberg New Energy Finance (BNEF). This prestigious recognition underscores RCT Power’s commitment to excellence in energy storage technology and its continuous innovation in producing high-quality energy solutions.
RCT Power Secures First place in independent Energy Storage inspection for the sixth Consecutive Year
RCT Power´s energy storage solutions have once again secured top rankings in the highly regarded independent Stromspeicher-Inspektion 2025 (Energy Storage Inspection) conducted by the University of Applied Sciences (HTW) Berlin. Demonstrating superior efficiency and innovation, RCT Power won the first price with its Power Storage Inverters and Power Batteries that successfully defended its title in both tested performance categories, marking RCT Power’s sixth consecutive victory in this prestigious evaluation, reinforcing the company’s technological leadership in the energy storage market
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Why RCT Power?
Made in Germany – Quality & Engineering
- German engineering and manufacturing
- High-quality, durable and efficient energy solutions
- Trusted brand in the solar and battery storage market
Award-Winning Efficiency – Six Years in a Row
- Market-leading results in the HTW Berlin’s Energy Storage Inspection
- Ranked number one six times conescutively (most recently in 2025)
- Outstanding partial load efficiency surpasses modern hybrid inverters and battery systems
One-stop solution
- Complete energy storage solutions with easy installation and commissioning, combined with high round-trip efficiency
- Fast setup via plug-and-play design and RCT app
- Pre-configured system logic minimizes errors and reduces time on-site
Energy Independence & Smart Management
- Intelligent control of generation, storage, and consumption
- Time-dependent consumption optimization & grid support
- Reliable emergency power supply for maximum autonomy
Latest products
RCT Power Battery 3.8 | 5.7 | 7.6 | 9.6 | 11.5
The RCT Power Battery stores solar energy safely and efficiently, ensuring independence from energy providers and reliable backup during outages. Its modular high-voltage design adapts to future needs, like EV charging. Made in Germany with safe LiFePO₄ cells and advanced battery management system, it delivers long-lasting performance and maximum efficiency.
Power Storage DC 6.0 | 8.0 | 10.0
The RCT Power Storage DC is a 3-phase hybrid inverter (4–10 kW) for new PV systems, featuring a high-voltage battery connection, two MPP trackers, and only 6 W standby consumption. Easy single-person plug-and- play installation via the RCT app. Made in Germany, with award-winning efficiency, smart load control, and long battery life.
Power Switch for Storage DC 4.0 | 6.0 | 8.0 | 10.0
The RCT Power Switch Box ensures reliable backup during outages caused by storms, grid overload, or maintenance. It automatically switches within 5–10 seconds, using battery and PV power, and can recharge the battery via PV. Offers 3-phase or 1-phase supply and can be retrofitted for enhanced energy independence.
Power Inverter 4.0 | 6.0
The RCT Power Inverter delivers ultra-quiet operation thanks to its fanless cooling system. Designed for maximum efficiency and flexibility, it supports new or replacement PV systems. Available in 4 kW and 6 kW, it connects two solar strings with a wide input voltage range for optimal performance.
