PowerWalker LiFe Battery System 48-100 Manual De Instrucciones página 23

Caution
Caution: If more than one battery module is connected for capacity
expansion, the battery module that is directly connected to the inverter
module is defined as the "master battery module". Make sure that the
ID number for the master battery module is set to "0".
RJ11 Jumper
···
RJ11 cable
RJ11 cable
BAT- BAT-
BAT- BAT+ BAT+
BAT+
BAT+ BAT- BAT+ BAT-
BAT-
BAT+
#1 #2 #10
Master battery module
Step 3: Insert the supplied RJ45 cable into the RJ45 communication
port on the master battery module. The other end connects to BMS
communication port on the inverter module.
20