Energy-tower
High-performance battery storage for homes, commercial and office buildings ‘Made in Europe’


Modular battery storage system with
capacities ranging from 9.2* to 230.5 kWh
- Active- & Passive Balancing
- High charging and discharging capacity of 30/30 A
- Outstanding battery efficiency of ≥ 95 %
- 5-fold cascadable for larger applications
- Emergency power: supply even in the event of a power failure
- Developed and manufactured in Europe
*2 modules from Q1 2026
Compact design and
modular expandability
Energy Tower fits perfectly without compromising on storage capacity
Maximum independence and low energy costs
Higher voltage and lower current flow reduce losses
Scalable
battery technology
From private homes to medium-sized industrial enterprises
For independence
and full power
With a power range from 9.2* kWh to 46.1 kWh (expandable to up to 230.5 kWh), the Energy Tower is the ideal solution for homeowners and businesses who want to optimise their energy costs and become less dependent on external energy suppliers.
Thanks to its highly efficient battery management system
with “Active & Passive Balancing” and an efficiency of over 95%, it ensures maximum energy yield and a particularly long service life.
*2 modules from Q1 2026
- Storage capacity: 9.2* – 46.1 kWh (expandable to up to 230.5 kWh)
- Expandability: 3–10 modules**, 5-fold cascading
- Battery efficiency: ≥ 95 % for maximum energy savings
- Voltage: Up to 820 VDC
- Battery cells: Lithium iron phosphate (LFP, cobalt-free)
*2 modules from Q1 2026 ** 9 modules for 6–20 kW inverters
- Balancing: Aktives & passives Zellmanagement für maximale Lebensdauer
- Charging & discharging capacity: 30/30 A (60 A 50 min.) for high performance
- Emergency power capability: reliable power supply in the event of a power failure
- Protection class: IP55 – robust for demanding applications
- Communication: CAN, RS485, Ethernet & USB-C (service interface)
The smart complete solution for maximum energy efficiency
The Energy Tower system combines powerful components to form a comprehensive energy storage solution.
Technical highlights of the Energy Tower Residential
- Capacities from 9.2* to 20 kWh
- High-performance inverter 6 to 20 kW
- Intelligent control via app
The versatile hybrid inverter delivers between 6 and 20 kW of power, with emergency power output and integrated double grid separation, enabling the highest level of supply security in your home.
Technical highlights Energy Tower Commercial
- Capacities from 9.2 to 230.5 kWh
- Inverters in 20, 30, 40 or 50 kW
- Intelligent control with energy management system
The hybrid inverter delivers up to 50 kW of power, copes with the highest charging and discharging requirements, and ensures the power supply even in an emergency.
With PV recharging, islanding and black start capability – the perfect solution for maximum independence and efficiency.
Technical data
Hybrid inverter | 6 | 8 | 10 | 12 | 15 | 20 | 30 | 40 | 50 |
---|---|---|---|---|---|---|---|---|---|
Max. usable DC input power kWp | 9 | 12 | 15 | 18 | 22,5 | 30 | 45 | 60 | 75 |
Number of MPPT | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 |
Number of battery modules | 6–20 kW: 2–9 | 30–50 kW: 2–10 |
Battery storage | 2* | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
---|---|---|---|---|---|---|---|---|---|
Storage capacity kWh | 9,2 | 13,8 | 18,4 | 23 | 27,6 | 32,2 | 36,8 | 41,4 | 46 |
Max. usable storage capacity kWh ** | 8,3 | 12,4 | 16,6 | 20,7 | 24,8 | 29,0 | 33,1 | 37,3 | 41,4 |
Nominal voltage V | 153,6 | 230,4 | 307,2 | 384 | 460,8 | 537,6 | 614,4 | 691,2 | 768 |
Battery efficiency*** | >94% | >95% | |||||||
Dimensions in millimetres (682 x 290 x H) | 530 | 696 | 862 | 1.028 | 1.194 | 1.360 | 1.526 | 1.692 | 1.858 |
*2 modules from Q1 2026 | ** Max. depth discharge (DoD): 90% | *** 0,2C Charge/discharge rate at +25 °C ±2 °C bei „begin of life“