diff --git a/lib/logitech/unifying_receiver/common.py b/lib/logitech/unifying_receiver/common.py
index a506a5cf..c2f437f4 100644
--- a/lib/logitech/unifying_receiver/common.py
+++ b/lib/logitech/unifying_receiver/common.py
@@ -17,7 +17,7 @@ class NamedInt(int):
 	def __new__(cls, value, name):
 		assert isinstance(name, str) or isinstance(name, unicode)
 		obj = int.__new__(cls, value)
-		obj.name = unicode(name)
+		obj.name = str(name)
 		return obj
 
 	def bytes(self, count=2):
diff --git a/lib/logitech/unifying_receiver/receiver.py b/lib/logitech/unifying_receiver/receiver.py
index 8e7fd564..12ee6475 100644
--- a/lib/logitech/unifying_receiver/receiver.py
+++ b/lib/logitech/unifying_receiver/receiver.py
@@ -214,7 +214,7 @@ class Receiver(object):
 		serial_reply = self.request(0x83B5, 0x03)
 		assert serial_reply
 		self._serial = _strhex(serial_reply[1:5])
-		self.max_devices = ord(serial_reply[6:7][0])
+		self.max_devices = ord(serial_reply[6:7][0:1])
 
 		if self.max_devices == 1:
 			self.name = 'Nano Receiver'
diff --git a/lib/logitech/unifying_receiver/status.py b/lib/logitech/unifying_receiver/status.py
index 32052aff..bcc6e0d5 100644
--- a/lib/logitech/unifying_receiver/status.py
+++ b/lib/logitech/unifying_receiver/status.py
@@ -283,11 +283,11 @@ class DeviceStatus(dict):
 					alert = ALERT.NONE
 					reason = self[ERROR] = None
 					if _log.isEnabledFor(_DEBUG):
-						_log.debug("%s: battery %d% charged, %s", self._device, discharge, self[BATTERY_STATUS])
+						_log.debug("%s: battery %d%% charged, %s", self._device, discharge, self[BATTERY_STATUS])
 				else:
 					alert = ALERT.ALL
 					reason = self[ERROR] = self[BATTERY_STATUS]
-					_log.warn("%s: battery %d% charged, ALERT %s", self._device, discharge, reason)
+					_log.warn("%s: battery %d%% charged, ALERT %s", self._device, discharge, reason)
 				self._changed(alert=alert, reason=reason)
 			else:
 				_log.info("%s: unknown BATTERY %s", self._device, n)