Brand new replacement battery pack for Trimble and Nikon total stations listed below:
 
Trimble TS635
Trimble TS662
Trimble TS862
Nikon Nivo 1C
Nikon Nivo 2C
Nikon Nivo 2M
 
Compatible with manufactures PN: 890-0084, 890-0084-XXQ.
3.7 Volts, 5200 mah, 19.24 wh