IONLY lithium batteries – safe, scalable and European solar energy

Designed and manufactured in Spain for household self-consumption and the industry of the future

Capacity: 5.5 kWh
Autonomy: Up to 80 kWh (16 modules)
Compatible with: Growatt, Victron, SMA, Ingeteam, SAJ

Safe, efficient energy, 100% aligned with European regulations

IONLY battery

Model Datasheet PDF

Capacidad Nominal

5,5 kWh | Capacidad útil: 5,16kWh

Voltaje Nominal

51,2 V | Profundidad de descarga: 90 %

Corriente de carga/descarga

Hasta 288 A en pico

Rango operativo

-20 °C a 60 °C | Humedad 0–95 % | Altitud hasta 3.000 m

Comunicación avanzada

RS232, RS485, CAN bus, Dry Contact

Certificados (xxx...)

CE, EMC, UN 38.3, IEC/EN, EU2023/1542 (Battery Passport)

Our battery is designed for those who are looking for an energy storage solution that combines functionality, environmental commitment and beauty. With high quality materials and careful finishes, it integrates elegantly into the home or business, providing sustainable energy for everyday life.

Technology: LiFePO₄
Dimensions (H × L × W): 650 × 650 × 150 mm
Weight: 42 kg
Protection rating: IP31
Mounting: Wall or rack
Durability and warranty under standard conditions: 6,000 cycles or 8 years (SoH 75%)
Nominal parallel capacity: 16 modules
Certifications: IEC/EN 62619, IEC/EN 62620, UN 38.3, EU 2023/1542, EMC, CE, Battery Passport
Communication: RS232, RS485, CAN bus, Dry Contact
Nominal capacity: 5.5 kWh
Nominal voltage: 51.2 V

To develop reliable and sustainable energy storage solutions that drive the transition towards a green energy future.
Through innovation and our commitment to excellence, at IONLY we design and manufacture energy storage systems that ensure full energy efficiency and availability.

Why choose IONLY batteries over other brands?

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Our technical team is with you every step of the way, from the initial installation to periodic maintenance and any future replacement you may need. We provide continuous support to ensure maximum performance and durability of your battery throughout its entire service life.

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Technical specifications of our batteries

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solution for your installation.

Store solar surplus and reduce your dependence on the grid
Maximize the profitability of your photovoltaic installation
Flexible configuration according to your energy needs
Elegant and unobtrusive design, adaptable to any space
National manufacturing, with CE certification and sustainable approach
High durability and easy maintenance
Specialized technical support and guaranteed repairability

Looking for other compatible solutions?

Explore our storage solutions tailored to different environments: residential, commercial and industrial. All our batteries are modular, scalable and 100% compatible with the main inverters on the market.

Residencial mural (5,5  kWh)
Ideal solution for homes with solar self-consumption. Flush-mounted installation, elegant design and maximum energy safety.

Modular system for terraces or balconies

Aesthetic and efficient batteries for homes with limited space. Scalable up to 80 kWh without construction work or renovations.

Chargers for electric mobility
Integrate your battery with EV chargers for a fully comprehensive energy transition in your home or business.

We analyse your case and design a tailored proposal