diff --git a/device/jsonld-contexts/device.jsonld b/device/jsonld-contexts/device.jsonld
index 20f76d4..473fee2 100644
--- a/device/jsonld-contexts/device.jsonld
+++ b/device/jsonld-contexts/device.jsonld
@@ -4,6 +4,7 @@
         "Raspberry": "https://vocab.egm.io/Raspberry",
         "appEUI": "https://vocab.egm.io/appEUI",
         "applicationId": "https://vocab.egm.io/applicationId",
+        "batteryLevel": "https://vocab.egm.io/batteryLevel",
         "batteryVoltage": "https://vocab.egm.io/batteryVoltage",
         "category": "https://schema.org/category",
         "chargerStatus": "https://vocab.egm.io/chargerStatus",
@@ -26,6 +27,7 @@
         "loraSNR": "https://vocab.egm.io/loraSNR",
         "manufacturer": "https://vocab.egm.io/manufacturer",
         "model": "https://vocab.egm.io/model",
+        "motion": "https://vocab.egm.io/motion",
         "name": "https://schema.org/name",
         "networks": "https://vocab.egm.io/networks",
         "pressure": "https://vocab.egm.io/pressure",