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

*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

*2 modules from Q1 2026 ** 9 modules for 6–20 kW inverters

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

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

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“