SMA is new to me, using the SB7700TL do I need batteries for the system to work without the grid power?

    I hear I can plug devices directly into the inverter, is this true?



    To use grid tied inverters "off-grid" or during a grid failure, you need to have batteries and a battery inverter. The SMA 7700 TL is a little different: You can add the secure power supply option and also use limited power direct from the inverter with NO battery during a power failure. 

    6 years 2 months ago
    Asked by
    Dean Brown
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