diff --git a/lib/logitech_receiver/notifications.py b/lib/logitech_receiver/notifications.py
index 2001304d..93bb3482 100644
--- a/lib/logitech_receiver/notifications.py
+++ b/lib/logitech_receiver/notifications.py
@@ -147,7 +147,7 @@ def _process_hidpp10_notification(device, status, n):
 			device.status = None
 			if device.number in device.receiver:
 				del device.receiver[device.number]
-			status.changed(active=False, alert=_ALERT.ALL, reason='unpaired')
+			status.changed(active=False, alert=_ALERT.ALL, reason=_("unpaired"))
 		else:
 			_log.warn("%s: disconnection with unknown type %02X: %s", device, n.address, n)
 		return True
diff --git a/lib/logitech_receiver/status.py b/lib/logitech_receiver/status.py
index 72b0ceae..fc68c71d 100644
--- a/lib/logitech_receiver/status.py
+++ b/lib/logitech_receiver/status.py
@@ -140,13 +140,9 @@ class DeviceStatus(dict):
 		self.updated = 0
 
 	def __str__(self):
-		def _item(name, format):
-			value = self.get(name)
-			if value is not None:
-				return format % value
-
 		def _items():
-			# TODO properly string approximative battery levels
+			comma = False
+
 			battery_level = self.get(KEYS.BATTERY_LEVEL)
 			if battery_level is not None:
 				if isinstance(battery_level, _NamedInt):
@@ -154,20 +150,24 @@ class DeviceStatus(dict):
 				else:
 					yield _("Battery") + ': ' + ('%d%%' % battery_level)
 
-				battery_status = _item(KEYS.BATTERY_STATUS, ' (%s)')
-				if battery_status:
-					yield battery_status
+				battery_status = self.get(KEYS.BATTERY_STATUS)
+				if battery_status is not None:
+					yield ' (%s)' % _(str(battery_status))
 
-			light_level = _item(KEYS.LIGHT_LEVEL, _("Lighting") + ': %d ' + _("lux"))
-			if light_level:
-				if battery_level:
-					yield ', '
-				yield light_level
+				comma = True
+
+			light_level = self.get(KEYS.LIGHT_LEVEL)
+			if light_level is not None:
+				if comma: yield ', '
+				yield _("Lighting") + (': %d ' % light_level) + _("lux")
 
 		return ''.join(i for i in _items())
 
 	__unicode__ = __str__
 
+	def __repr__(self):
+		return '{' +  ', '.join('\'%s\': %r' % (k, v) for k, v in self.items()) + '}'
+
 	def __bool__(self):
 		return bool(self._active)
 	__nonzero__ = __bool__
diff --git a/lib/solaar/ui/window.py b/lib/solaar/ui/window.py
index 44b24dea..e0401754 100644
--- a/lib/solaar/ui/window.py
+++ b/lib/solaar/ui/window.py
@@ -627,7 +627,7 @@ def _update_device_panel(device, panel, buttons, full=False):
 		panel._battery._icon.set_sensitive(True)
 
 		if isinstance(battery_level, _NamedInt):
-			text = str(battery_level)
+			text = _(str(battery_level))
 		else:
 			text = '%d%%' % battery_level
 		if is_online: