Hello: I now have the 90BAv2 battery Adapter in stock. It is a replacement cap for the PRC-63, PRC-90, PRC-103, PRC-106 and PRC-125 that allows using 4 each 123 photo batteries to power the radio. See: <http://www.pacificsites.com/~brooke/90BA.shtml> 73, Brooke Clarke My Battery and Antenna adapters http://www.prc68.com