SMA SUNNY BOY STORAGE 3.8-US Instructions D'installation page 51

SMA Solar Technology AG
The cylindrical fuse links of the fuse holders A/B and C must be replaced. The replacement of the
cylindrical fuse links must documented (e.g. on the label underneath the fuse holders).
The battery must be connected to the terminal blocks of the fuse holder A/B.
Figure 12 : Overview for connection of one battery with a charging/discharging current limit of 10 A (with
black-start function)
6.8.1.3 Connection of one battery with a charging/discharging current
limit of 20 A
The DC terminals A and B of the inverter are connected in parallel as standard. The parallely
connected DC terminal A/B limits the charging/discharging current to 20 A.
Installation Manual
A+ B+ C+ A− B− C−
A/B+ A/B−
C+ C−
15 A − 15 A −
_
+
BAT 10 A
6 Electrical Connection
DC-in COM AC-out SPS
_
+
X1 M1 X2 M2
ANT.
FCC ID: SVF-KP20
IC: 9440A-KP20
A B D-IN
SBSxx-US-10-IA-xx-14 51