Alpha ESS Storion-SMILE5 Installation, Operation & Maintenance Manual page 19

Step 3: If you use more than 1 battery module, they must be interconnected. For all
other battery modules (battery modules 2-6) you will have to remove the top cover
(with 2 batteries you must remove the cover of one battery, with 3 batteries the
covers of 2 batteries, with 4 batteries the covers of 3 batteries etc.) For the new
version battery please connect the power cables directly.
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Installation
Figure 13 Disassembly Diagram of Battery Top Cover
Alpha ESS Co., Ltd.
Your Smart Energy
Battery Cover
Positive Connector
Negative Connector
Page 17