Battery Module; Environmental Rating; Derating - Varta element backup 6 Operating Manual

3.9.1

Battery module

VKB number
Electrochemistry cell
Nominal module capacity
Discharge depth
Useful module capacity
Connection
Cell monitoring
Dimensions in mm (W x H x D)
Weight
Packaging in mm (W x H x D)
3.9.2

Environmental rating

Environmental category
Classification of the wet rooms
Soiling grade
Ingress protection
Typical/max. Noise emission
Ambient temperature
Relative humidity
Max. altitude
Overvoltage category
Protection class
* The energy storage system is fully enclosed by a building and/or housing. Thus the energy storage
system is protected from sun, dust and other external influences. Additionally, the building and/or housing
is air-conditioned with regard to temperature, humidity and air filtering.
3.10

Derating

Derating means a temporary curtailment of the maximum performance of the battery converter in order to
prevent components from being heated excessively. VARTA energy storage systems are designed in such a way
that when the operating and environmental conditions are complied with the permitted operating temperature
is not exceeded and a derating is not necessary. To avoid a temperature derating of the energy store, you should
ensure that the energy store can issue the heat to the ambient air.
Frequent temperature-induced derating can have the following causes:
•
The system cannot issue enough heat to the ambient air because the air filters are soiled or have
failed.
•
The installation site of the energy store does not offer the requisite climatic conditions.
•
Atypical operation that deviates heavily from the photovoltaic cycle.
21
56462705099
Li-ions
6.5 kWh
90%
5.9 kWh
contact-safe
integrated
445 x 110 x 587
45 kg
800 x 460 x 600
Air-conditioned in inner rooms*
No wet rooms allowed
2
IP22
42 dBA / 49 dBA
+5 °C to +30 °C
< 80%
2000 m above sea level
III
1