7
Installing Battery Expansion Modules
2.3
• The following describes how to install the battery expansion modules for a 15 kWh model.
• The installation of battery expansion modules for 5 kWh and 10 kWh models is the same. 
One battery expansion module is installed for a 5 kWh model, and two battery expansion 
modules are installed for a 10 kWh model.
1. Install the battery expansion modules and power control module on the support.
Align the first battery 
expansion module with 
the support on the floor 
support.
Install the connecting 
pieces on both sides 
and tighten the four 
screws.
Install the remaining battery modules and power  module from bottom to top. After 
installing a module, secure the left and right connecting pieces, and then install the 
next module.