Alpha ESS eSTORE-BAT-10.3 Manual page 23

Your Smart Energy
Installation
Step 24: If there is second battery, please install it beside the first one.
Step 25: Please connect the positive pole of one battery to another with red power cables,
connect the negative pole of one battery to another with black power cables and connect one
battery com port to another battery com port as the above figure shows.
Step 26: Open the front panel of the farthest battery from the inverter and remove DIP baffle.
Set the DIP switch.
1. If there is only one BAT, DIP switch of BAT should be as below:
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