Now additionally obtainable as a DC variant: The Solarwatt Battery flex battery storage system
Image: Photo: Solarwatt
from pv journal in Germany
Germany’s Solarwatt is increasing its product household with Battery flex DC, however later than it initially deliberate.
When the corporate first offered the single-phase Battery flex AC-1 product in June 2021, it introduced two direct variants of the present for subsequent 12 months. Now, Battery flex DC is lastly obtainable, and is designed to be used with hybrid inverters.
The on-line configurator helps installers choose the inverter. The Solarwatt web site specifies the Steca SolBrid hybrid inverter from Katek. Currently, the system solely works with this inverter. The gadgets are optimized for an built-in system resolution, combining the Solarwatt Manager flex and the Solarwatt Home app. Solarwatt says it plans so as to add extra features to the system sooner or later.
The new storage system, developed by Solarwatt along with BMW, is predicated on the identical idea because the AC variant. BMW gives Solarwatt with high-quality battery parts for the system, which include a management unit and a number of other battery modules with 2.4 kWh capability every. Configurations vary from 4.8 to 24 kWh, appropriate for each DC and AC variants.
The DC model additionally contains an emergency energy operate. It has a preset emergency energy reserve of as much as 40% of the storage capability. Battery flex DC has an computerized preset resolution that’s activated by the installer of the hybrid inverter. During an influence failure, it provides emergency energy after a brief interruption, permitting the PV system and storage unit to produce the home, relying on the time and energy consumption.
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