External Battery Module - Libelium Waspmote Technical Manual

3.5. External Battery Module

The External Battery Module (EBM) is an accessory to extend the battery life of Plug & Sense!. The extension
period may be from months to years depending on the sleep cycle and radio activity. The daily charging period is
selectable among 5, 15 and 30 minutes with a selector switch and it can be combined with a solar panel to extend
even more the node's battery lifetime.
Note: Nodes using solar panel can keep using it through the External Battery Module. The EBM is connected to
the solar panel connector of Plug & Sense! and the solar panel unit is connected to the solar panel connector
of the EBM.
Figure: Plug & Sense! with External Battery Module
Figure: Plug & Sense! with External Battery Module and solar panel
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Waspmote Kit
v8.2