7 Electrical Connection
SMA Solar Technology AG
Operating Manual 43HS-BM-3.28-10-BE-en-10
3. Connect the battery modules to each other in series. For this,
connect the plug connector of the DC cable BAT+ with the BAT-
connector.
4. Prepare the DC cables of the inverter. If needed, crimp the provided MC4 connectors with the cables.
5. Connect the top plug connector BAT+ of the top or last battery
module with the positive terminal of the inverter (see inverter
documentation).
6. Connect the bottom plug connector BAT- of the bottom or first
battery module with the negative terminal of the inverter (see
inverter documentation).
Also see:
• Overview of the Connection Area⇒page35
• DC cable requirements⇒page36
• Wiring overview with hybrid inverter⇒page36