Update README.md

MarcusWichelmann · web-flow · commit 5f2edd3aaa55 · 2021-05-16T17:54:51.000+02:00
diff --git a/README.md b/README.md
@@ -6,6 +6,11 @@
 
 Collects the data of a SolarEdge installation over Modbus TCP and exports it as JSON, XML and Prometheus-Metrics.
 
+It implements the Sunspec protocol and supports the following devices:
+- Inverters
+- Energy meters
+- Batteries (StorEdge, BYD, ...)
+
 ## Usage
 
 ### Enable Modbus TCP
