SMA Home Storage HS-BM-3.28-10 - Battery Management

4 Product Overview
SMA Solar Technology AG
Operating ManualHS-BM-3.28-10-BE-en-1020
LED signal Explanation
The blue LED is flashing
slowly (2seconds on and
2seconds off)
Communication connection is being established.
The battery is establishing a connection with the connected inverter.
The blue LED is glowing There is an active connection to the connected inverter.
Blue LED is off There is no active connection.
All 3 LEDs are on Battery update or booting procedure
4.6 Battery Management
SOC
0 %
100 %
A
B
C
D
User SOC
Real SOC
Figure 5: State of charge ranges of the battery
Range Inverter parameters Inverter behavior
A - The inverter uses the battery within this range for in-
creased self-consumption. When more energy is
needed than can be supplied by the PV modules,
the battery is discharged.
B
Battery > Areas of application > Minimum
width of backup power area (BatUsDm.BckD-
mMin)
The value indicates the percentage of battery
charge to be retained for battery-backup opera-
tion. This battery charge cannot be used in parallel
grid operation, even if the battery-backup opera-
tion is deactivated.