Official, Exclusive Court Reporter Microphone battery. 12 pack of batteries for use with the HI-gain HGM-1, HGM-2 Court reporter microphone. The battery also works on the Conference Grabber microphones.  Duracell PX76A Batteries - 12 pack

      This is the replacement rechargeable battery for the Philips DPM8000 dictation recorder, DPM7000, DPM6000, DPM8100 and DPM8500 recorders.

This is the replacement battery for the Olympus DS-7000 digital dictation recorder and DS-3500 recorder.  Expert Tip: The professional dictation recorders such as the Olympus brand may not work correctly unless you are using OEM brand battery...