diff --git a/homeassistant/components/solarlog/const.py b/homeassistant/components/solarlog/const.py
index a339f5c873d..e4e10b3a7e6 100644
--- a/homeassistant/components/solarlog/const.py
+++ b/homeassistant/components/solarlog/const.py
@@ -167,9 +167,10 @@ SENSOR_TYPES: tuple[SolarLogSensorEntityDescription, ...] = (
     SolarLogSensorEntityDescription(
         key="total_power",
         json_key="totalPOWER",
-        name="total power",
+        name="installed peak power",
         icon="mdi:solar-power",
-        native_unit_of_measurement="Wp",
+        native_unit_of_measurement=POWER_WATT,
+        device_class=DEVICE_CLASS_POWER,
     ),
     SolarLogSensorEntityDescription(
         key="alternator_loss",
@@ -185,7 +186,8 @@ SENSOR_TYPES: tuple[SolarLogSensorEntityDescription, ...] = (
         json_key="CAPACITY",
         name="capacity",
         icon="mdi:solar-power",
-        native_unit_of_measurement="W/Wp",
+        native_unit_of_measurement=PERCENTAGE,
+        device_class=DEVICE_CLASS_POWER_FACTOR,
         state_class=STATE_CLASS_MEASUREMENT,
     ),
     SolarLogSensorEntityDescription(
diff --git a/homeassistant/components/solarlog/sensor.py b/homeassistant/components/solarlog/sensor.py
index 5df86d64997..e87977f64e5 100644
--- a/homeassistant/components/solarlog/sensor.py
+++ b/homeassistant/components/solarlog/sensor.py
@@ -97,7 +97,7 @@ class SolarlogData:
             self.data["consumptionTOTAL"] = self.api.consumption_total / 1000
             self.data["totalPOWER"] = self.api.total_power
             self.data["alternatorLOSS"] = self.api.alternator_loss
-            self.data["CAPACITY"] = round(self.api.capacity, 3)
+            self.data["CAPACITY"] = round(self.api.capacity * 100, 0)
             self.data["EFFICIENCY"] = round(self.api.efficiency * 100, 0)
             self.data["powerAVAILABLE"] = self.api.power_available
             self.data["USAGE"] = round(self.api.usage * 100, 0)