SMA SUNNY BOY STORAGE, Technical Information

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5 Sunny Island
5.1 SI4.4M-12
Characterization of the PV storage system
PV2AC PV2BAT AC2BAT BAT BAT2AC BAT2PV
Energy paths ✓ ‒ ✓ ✓ ✓ ‒
AC Connection
Nominal charging power 3300 W
Nominal discharge power* 3300 W
* Rated output power BAT2AC
Battery Connection
Battery voltage* 41 V / 48 V / 63 V
Nominal charging power** 2500 W
Nominal discharge power 2500 W
* Nominal voltage or minimum/nominal/maximum voltage
** Rated output power AC2BAT
Battery
Mercedes-Benz Energy Storage Home 5.0
Battery voltage* 39.7 V / - / 54 V
Battery capacity** 3.75 kWh / 3.74 kWh / 3.69 kWh
Battery efficiency 94.3% / 95.5% / 95.2%
Power consumption of the battery management
system (no-load operation/standby) 6 W / 4 W
* Rated output power AC2BAT
** At 100% and, if applicable, 50% and 25% of the nominal charging/discharge power
Standby losses of the power conversion system
Power consumption during no-load operation
(AC/DC) 3 W / 16.1 W
Power consumption in standby (AC/DC) 0 W / 7.7 W
Control characteristics of the power conversion system
Average stationary deviation of the charging
power -10 W
5 Sunny Island SMA Solar Technology AG
Technical information 9 BattWr-Efficiency-TI-en-11