Batterie BMZ ESS 7.0 / 6,8 kWh / Li-Ion NMC

€3.999,00 * Incl. tax

Batterie BMZ ESS 7.0 / 6,8 kWh / Li-Ion NMC

ESS 7.0 is a new modular lithium-ion energy storage system that stores excess PV or CHP energy generated in battery modules for later use. Energy can be selectively fed from the inverter into the grid or into the energy store.

Energy is available when the need is there: in the evening, at night and in times of sunshine.

Technical data ESS 7.0:

Energy content 6.8 kWh
Usable capacity: 5.4 kWh
Discharge depth: 80%
Rated voltage: 55.5V
Final charge voltage: 61.5 V
Final discharge voltage: 41.0 V
Nominal capacity: 121.5 Ah
Maximum discharge current: 300 A (3 sec.)
Communication: CAN
Battery chemistry: Li-Ion NMC
Full cycles: 5000
Dimensions (WxDxH): 645 x 490 x 465 mm
Weight: 95 kg
incl. corresponding connection cable
NH1 fuse is not included!
Dangerous goods according to UN 3480 / transport hazard class 9 / packing group II


Environmentally friendly lithium-ion battery technology
Up to 20 years life
Cycle resistance at high currents
Any partial cyclization - no memory effect
Fast-charging: charged in one hour
Efficient operation through active temperature control
Safety-tested technology according to the latest standards
Integrated multi-level security concept
Deep discharge protection, overcharge protection
Voltage and temperature monitoring
Charge balance between cells (passive balancing)
Determination of state of charge and aging (SOC and SOH)
Developed in accordance with VDE-AR-E-2510-2,
VDE-AR-E 2510-50, DIN EN 62619, UN 38.3, CE
Compatible with EES, SMA, Victron and Studer
Multi Cluster Capability


Electro-mechanical, normally open DC relay for switching off the battery
Overvoltage and undervoltage monitoring at cell level with redundant tripping of the battery shutdown
Single cell temperature monitoring in each cell level and Current Interrupt Device (CID) in each cell
Safe protection against re-start after deep discharge or other significant damage to the battery
No unsecured, direct parallel connection of cells without "Current-Interrupt-Device" (CID) in each cell
Active current regulation as a function of cell voltage and cell temperature
Metallic, closed battery case

BMZ GmbH grants a time value replacement guarantee for a service of 5,000 cycles with a maximum useful life of 10 years.

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