PowerWalker LiFe Battery System 48-100 Manual De Instrucciones página 19

Step 3 (If more than one battery module is connected):
For a single battery module connection, please skip this step! If more
than one battery module is connected, please follow the instructions
below:
(a) Put the additional battery module on the top of battery
module installed on the ground. Make sure they are aligned
well.
(b) Install one fixing plate to fix two battery modules with four
screws as following the picture shown.
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