Sodium-ion home battery systems are entering the residential storage market with a new option from German startup Revolta. The company has introduced a high-voltage battery for homes that uses sodium-ion technology. Moreover, the system targets flexible capacity, simple installation, and strong efficiency. Revolta plans to launch the product officially in September 2026 after presenting it at The smarter E trade fair in Munich.
Sodium-ion home battery capacity and modular design
Revolta built its sodium-ion home battery around 2.0 kWh modules. Homeowners can connect up to 10 modules in parallel. As a result, the system can scale from a small setup to a total capacity of 20 kWh. This modular approach gives installers more flexibility. It also helps match storage size to household demand.
Each battery module measures 284 mm × 186 mm × 260 mm. In addition, each module weighs 19 kg. The compact format supports easier handling during transport and installation. Revolta also says users can adapt the module configuration freely. Therefore, the system can fit different residential energy storage needs.
Sodium-ion home battery technical specifications
Revolta lists an energy density of 105 Wh/kg for the system. The nominal voltage reaches 450 V DC, which places the product in the high-voltage residential storage segment. Furthermore, the charge and discharge power ranges from 0.6 kW to 1.2 kW. Revolta says this range depends on the state of charge.
The system achieves more than 95% efficiency. That figure supports effective energy use in daily operation. In addition, the battery carries an IP65 protection rating. This rating indicates strong protection against dust and water ingress. Revolta also states that the storage unit holds several certifications, which supports deployment in residential installations.
Noise emissions stay below 40 dB. As a result, the battery suits home environments where quiet operation matters. Revolta also describes standby losses as very low. Moreover, the company says the battery can remain in standby for more than one year without requiring a recharge. That feature can benefit seasonal properties or installations with periods of low use.
Sodium-ion home battery installation and inverter connection
Revolta designed the sodium-ion home battery for simplified installation. A separate control unit creates the interface between the battery and the inverter. This setup helps integrate the storage system into residential energy systems. At the same time, Revolta continues to expand its list of compatible inverter models as manufacturers grant approvals.
The company also emphasizes a streamlined commissioning process. According to Revolta, installers can complete setup through a plug-and-play over-the-air process. They can use the company’s smartphone app or a Bluetooth connection. Consequently, the installation workflow can become faster and more convenient for residential projects.
Sodium-ion home battery launch plans in Germany
Revolta unveiled the new battery at The smarter E trade fair in Munich in 2026. The company has scheduled the official market launch for September 2026. In addition, several pilot projects are already in preparation. These early projects can help introduce the product to the residential market and support installer familiarity.
The company plans to focus first on Germany. However, it is also preparing expansion into other European countries. Revolta says the high-voltage storage system connects directly to the inverter rather than the grid. Therefore, the company sees no major technical barriers to entering additional markets.
Sodium-ion home battery sales strategy and market outlook
Revolta is targeting the traditional three-tier distribution model. Specifically, the company aims to move products from wholesalers to installers. It is already in initial discussions with distributors. Meanwhile, the company reports daily inquiries from end customers and directs them to suitable local installers.
Revolta expects to establish its sales network fully by 2027. That timeline gives the company a clear route for market development. At the same time, the product’s modular design, high-voltage architecture, and simple commissioning process position it as a practical residential storage option.
Overall, Revolta’s new sodium-ion home battery combines 2.0 kWh modules, up to 20 kWh total capacity, 450 V DC nominal voltage, and more than 95% efficiency. It also adds IP65 protection, low noise below 40 dB, and standby capability of more than one year. With a September 2026 launch ahead, the German startup is bringing a compact and scalable sodium-ion storage system to the home energy market.
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