diff --git a/manifest.json b/manifest.json
index bfec058..df74e5a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,9 @@
 {
     "domain": "huawei_solar",
     "name": "Huawei Solar",
+    "after_dependencies": [
+        "usb"
+    ],
     "config_flow": true,
     "documentation": "https://github.com/wlcrs/huawei_solar/wiki",
     "issue_tracker": "https://github.com/wlcrs/huawei_solar/issues",
diff --git a/sensor.py b/sensor.py
index a174ce9..11479f6 100644
--- a/sensor.py
+++ b/sensor.py
@@ -66,7 +66,7 @@ class HuaweiSolarSensorEntityDescription(SensorEntityDescription):
 
     def __post_init__(self):
         """Defaults the translation_key to the sensor key."""
-        self.translation_key = self.translation_key or self.key
+        self.translation_key = self.translation_key or self.key.lower()
 
 
 # Every list in this file describes a group of entities which are related to each other.
diff --git a/strings.json b/strings.json
index e552c7a..0238082 100644
--- a/strings.json
+++ b/strings.json
@@ -53,31 +53,31 @@
             "input_power": {
                 "name": "Input power"
             },
-            "line_voltage_A_B": {
+            "line_voltage_a_b": {
                 "name": "A-B line voltage"
             },
-            "line_voltage_B_C": {
+            "line_voltage_b_c": {
                 "name": "B-C line voltage"
             },
-            "line_voltage_C_A": {
+            "line_voltage_c_a": {
                 "name": "C-A line voltage"
             },
-            "phase_A_voltage": {
+            "phase_a_voltage": {
                 "name": "Phase A voltage"
             },
-            "phase_B_voltage": {
+            "phase_b_voltage": {
                 "name": "Phase B voltage"
             },
-            "phase_C_voltage": {
+            "phase_c_voltage": {
                 "name": "Phase C voltage"
             },
-            "phase_A_current": {
+            "phase_a_current": {
                 "name": "Phase A current"
             },
-            "phase_B_current": {
+            "phase_b_current": {
                 "name": "Phase B current"
             },
-            "phase_C_current": {
+            "phase_c_current": {
                 "name": "Phase C current"
             },
             "day_active_power_peak": {
@@ -194,40 +194,40 @@
             "grid_accumulated_reactive_power": {
                 "name": "Reactive energy"
             },
-            "grid_A_voltage": {
+            "grid_a_voltage": {
                 "name": "Phase A voltage"
             },
-            "grid_B_voltage": {
+            "grid_b_voltage": {
                 "name": "Phase B voltage"
             },
-            "grid_C_voltage": {
+            "grid_c_voltage": {
                 "name": "Phase C voltage"
             },
-            "grid_A_current": {
+            "grid_a_current": {
                 "name": "Phase A current"
             },
-            "grid_B_current": {
+            "grid_b_current": {
                 "name": "Phase B current"
             },
-            "grid_C_current": {
+            "grid_c_current": {
                 "name": "Phase C current"
             },
-            "active_grid_A_B_voltage": {
+            "active_grid_a_b_voltage": {
                 "name": "A-B line voltage"
             },
-            "active_grid_B_C_voltage": {
+            "active_grid_b_c_voltage": {
                 "name": "B-C line voltage"
             },
-            "active_grid_C_A_voltage": {
+            "active_grid_c_a_voltage": {
                 "name": "C-A line voltage"
             },
-            "active_grid_A_power": {
+            "active_grid_a_power": {
                 "name": "Phase A active power"
             },
-            "active_grid_B_power": {
+            "active_grid_b_power": {
                 "name": "Phase B active power"
             },
-            "active_grid_C_power": {
+            "active_grid_c_power": {
                 "name": "Phase C active power"
             },
             "storage_state_of_capacity": {
@@ -422,7 +422,7 @@
                 },
                 "periods": {
                     "name": "Periods",
-                    "description": "One period per line. For Huawei LUNA2000 batteries: '<start time>-<end time>/<days effective>/<charge>', with 1=Monday, 7=Sunday (example: '12:00-14:00/1234567/-'). For LG RESU batteries: '<start time>-<end time>/<electricity price>' (example: 13:00-14:00/0.50)"
+                    "description": "One period per line. For Huawei LUNA2000 batteries: '[start time]-[end time]/[days effective]/[charge]', with 1=Monday, 7=Sunday (example: '12:00-14:00/1234567/-'). For LG RESU batteries: '[start time]-[end time]/[electricity price]' (example: 13:00-14:00/0.50)"
                 }
             }
         },
@@ -436,7 +436,7 @@
                 },
                 "periods": {
                     "name": "Periods",
-                    "description": "One period per line. Format: '<start time>-<end time>/<days effective>/<power>W', with 1=Monday, 7=Sunday. Example: '00:00-23:59/1234567/2500W'."
+                    "description": "One period per line. Format: '[start time]-[end time]/[days effective]/[power]W', with 1=Monday, 7=Sunday. Example: '00:00-23:59/1234567/2500W'."
                 }
             }
         },
@@ -450,7 +450,7 @@
                 },
                 "periods": {
                     "name": "Periods",
-                    "description": "One period per line. Format: '<start time>-<end time>/<power>W'. Example: '12:00-15:59/-1000W'."
+                    "description": "One period per line. Format: '[start time]-[end time]/[power]W'. Example: '12:00-15:59/-1000W'."
                 }
             }
         }
diff --git a/translations/en.json b/translations/en.json
index d947f2c..9e384b6 100644
--- a/translations/en.json
+++ b/translations/en.json
@@ -56,22 +56,22 @@
             "accumulated_yield_energy": {
                 "name": "Total yield"
             },
-            "active_grid_A_B_voltage": {
+            "active_grid_a_b_voltage": {
                 "name": "A-B line voltage"
             },
-            "active_grid_A_power": {
+            "active_grid_a_power": {
                 "name": "Phase A active power"
             },
-            "active_grid_B_C_voltage": {
+            "active_grid_b_c_voltage": {
                 "name": "B-C line voltage"
             },
-            "active_grid_B_power": {
+            "active_grid_b_power": {
                 "name": "Phase B active power"
             },
-            "active_grid_C_A_voltage": {
+            "active_grid_c_a_voltage": {
                 "name": "C-A line voltage"
             },
-            "active_grid_C_power": {
+            "active_grid_c_power": {
                 "name": "Phase C active power"
             },
             "active_grid_frequency": {
@@ -101,30 +101,30 @@
             "efficiency": {
                 "name": "Efficiency"
             },
-            "grid_A_current": {
+            "grid_a_current": {
                 "name": "Phase A current"
             },
-            "grid_A_voltage": {
+            "grid_a_voltage": {
                 "name": "Phase A voltage"
             },
-            "grid_B_current": {
+            "grid_accumulated_energy": {
+                "name": "Consumption"
+            },
+            "grid_accumulated_reactive_power": {
+                "name": "Reactive energy"
+            },
+            "grid_b_current": {
                 "name": "Phase B current"
             },
-            "grid_B_voltage": {
+            "grid_b_voltage": {
                 "name": "Phase B voltage"
             },
-            "grid_C_current": {
+            "grid_c_current": {
                 "name": "Phase C current"
             },
-            "grid_C_voltage": {
+            "grid_c_voltage": {
                 "name": "Phase C voltage"
             },
-            "grid_accumulated_energy": {
-                "name": "Consumption"
-            },
-            "grid_accumulated_reactive_power": {
-                "name": "Reactive energy"
-            },
             "grid_exported_energy": {
                 "name": "Exported"
             },
@@ -140,13 +140,13 @@
             "internal_temperature": {
                 "name": "Internal temperature"
             },
-            "line_voltage_A_B": {
+            "line_voltage_a_b": {
                 "name": "A-B line voltage"
             },
-            "line_voltage_B_C": {
+            "line_voltage_b_c": {
                 "name": "B-C line voltage"
             },
-            "line_voltage_C_A": {
+            "line_voltage_c_a": {
                 "name": "C-A line voltage"
             },
             "meter_status": {
@@ -164,22 +164,22 @@
             "output_voltage": {
                 "name": "Output voltage"
             },
-            "phase_A_current": {
+            "phase_a_current": {
                 "name": "Phase A current"
             },
-            "phase_A_voltage": {
+            "phase_a_voltage": {
                 "name": "Phase A voltage"
             },
-            "phase_B_current": {
+            "phase_b_current": {
                 "name": "Phase B current"
             },
-            "phase_B_voltage": {
+            "phase_b_voltage": {
                 "name": "Phase B voltage"
             },
-            "phase_C_current": {
+            "phase_c_current": {
                 "name": "Phase C current"
             },
-            "phase_C_voltage": {
+            "phase_c_voltage": {
                 "name": "Phase C voltage"
             },
             "power_factor": {
@@ -362,7 +362,7 @@
                     "name": "Battery"
                 },
                 "periods": {
-                    "description": "One period per line. Format: '<start time>-<end time>/<days effective>/<power>W', with 1=Monday, 7=Sunday. Example: '00:00-23:59/1234567/2500W'.",
+                    "description": "One period per line. Format: '[start time]-[end time]/[days effective]/[power]W', with 1=Monday, 7=Sunday. Example: '00:00-23:59/1234567/2500W'.",
                     "name": "Periods"
                 }
             },
@@ -386,7 +386,7 @@
                     "name": "Battery"
                 },
                 "periods": {
-                    "description": "One period per line. Format: '<start time>-<end time>/<power>W'. Example: '12:00-15:59/-1000W'.",
+                    "description": "One period per line. Format: '[start time]-[end time]/[power]W'. Example: '12:00-15:59/-1000W'.",
                     "name": "Periods"
                 }
             },
@@ -428,7 +428,7 @@
                     "name": "Battery"
                 },
                 "periods": {
-                    "description": "One period per line. For Huawei LUNA2000 batteries: '<start time>-<end time>/<days effective>/<charge>', with 1=Monday, 7=Sunday (example: '12:00-14:00/1234567/-'). For LG RESU batteries: '<start time>-<end time>/<electricity price>' (example: 13:00-14:00/0.50)",
+                    "description": "One period per line. For Huawei LUNA2000 batteries: '[start time]-[end time]/[days effective]/[charge]', with 1=Monday, 7=Sunday (example: '12:00-14:00/1234567/-'). For LG RESU batteries: '[start time]-[end time]/[electricity price]' (example: 13:00-14:00/0.50)",
                     "name": "Periods"
                 }
             },