[growatt] change battery display channel unit to volt (openhab#16377)

Signed-off-by: Andrew Fiddian-Green <[email protected]>

Author: andrewfg

bundles/org.openhab.binding.growatt/src/main/java/org/openhab/binding/growatt/internal/GrowattChannels.java

@@ -164,7 +164,7 @@ public UoM(Unit<?> units, float divisor) {
             new AbstractMap.SimpleEntry<String, UoM>("battery-type", new UoM(Units.ONE, 1)),
             new AbstractMap.SimpleEntry<String, UoM>("battery-voltage", new UoM(Units.VOLT, 10)),
             new AbstractMap.SimpleEntry<String, UoM>("battery-temperature", new UoM(SIUnits.CELSIUS, 10)),
-            new AbstractMap.SimpleEntry<String, UoM>("battery-display", new UoM(Units.ONE, 10)),
+            new AbstractMap.SimpleEntry<String, UoM>("battery-display", new UoM(Units.VOLT, 10)),
             new AbstractMap.SimpleEntry<String, UoM>("battery-soc", new UoM(Units.PERCENT, 1)),
 
             // fault codes

bundles/org.openhab.binding.growatt/src/main/resources/OH-INF/i18n/growatt.properties

@@ -10,7 +10,7 @@ thing-type.growatt.bridge.description = Bridge Thing for Growatt Binding
 thing-type.growatt.inverter.label = Growatt Inverter
 thing-type.growatt.inverter.description = Inverter Thing for Growatt Binding
 thing-type.growatt.inverter.channel.battery-display.label = Battery Display
-thing-type.growatt.inverter.channel.battery-display.description = Battery display code.
+thing-type.growatt.inverter.channel.battery-display.description = Battery display voltage.
 thing-type.growatt.inverter.channel.battery-soc.label = Battery Charge
 thing-type.growatt.inverter.channel.battery-soc.description = Battery state of charge.
 thing-type.growatt.inverter.channel.battery-temperature.label = Battery Temperature

bundles/org.openhab.binding.growatt/src/main/resources/OH-INF/thing/thing-types.xml

@@ -364,9 +364,9 @@
 				<label>Battery Voltage</label>
 				<description>Battery voltage.</description>
 			</channel>
-			<channel id="battery-display" typeId="advanced-status-code">
+			<channel id="battery-display" typeId="advanced-electric-voltage">
 				<label>Battery Display</label>
-				<description>Battery display code.</description>
+				<description>Battery display voltage.</description>
 			</channel>
 			<channel id="battery-soc" typeId="advanced-percent">
 				<label>Battery Charge</label>