Operating Manual

Function, delivery scope and technical key
variables
Version 1.0 Page 31 of 92
2.5 Technical key variables
Product data
The following table describes the variants of the BMZ ESS 7.0 system:
Battery storage Unit BMZ ESS 7.0 BMZ ESS 7.0 Premium
Energy content kWh 6.743 6.743
Usable energy content kWh 5.4 5.4
Nominal capacity C10 Ah 121.5 121.5
Nominal voltage V 55.5 55.5
Expected calendar-based service
life
a 15 15
Expected cycle-based service life 5000 5000
Expected residual capacity at the
end of service life
% 70 70
Degree of efficiency at 25 °C % > 95 > 95
Cooling active active
Interfaces CAN 2.0 CAN 2.0
Technology Lithium Ion NMC Lithium Ion NMC
Self discharge rate per month % 1-3 1-3
Dimensions H/W/D cm Approximately 46 x 64 x 48 Approximately
57 x 68 x 48
Weight kg 95 100
Certifications UN 38.3; CE UN 38.3; CE
Table 2-11: overview of technical specifications