8.4 volt lithium batteries for powering the Connex Mini transmitters or receivers and the Fusion receiver are made to CMR specifications with high quality Sanyo cells rated 25 WH.

Typical operating times with the CMR batteries are up to 5 hours (Mini transmitter, or Mini receiver, or Fusion receiver).  The batteries can be recharged in about 3 ½ hours with the included 1.2 A charger.

Weight: 3.9 oz.