Nikon BC-80 Handle Ni-MH Battery for DTM-500 series

Nikon BC-80 Handle Ni-MH Battery for DTM-500 and DTM-801 series
Manufacturer: Nikon
Manufacturer part number: HQH90000
$725.00
$673.21

A single BC-80 battery provides approximatley 10.5 hours of continuous distance/angle measurement, or 24 hours with one measurement every 30 seconds, which means an entire day's work can be preformed without having to change the battery.