New replacement Li-Ion (Lithium Ion)  High Capacity battery for Topcon Hiper GPS. These high capacity 4400mah cells come with a plug-in connectors so there is now soldering needed, just plug-in the battery in to your data collector and you are ready to go.
PLEASE NOTE: That it takes 2 batteries per Base or Rover. You would need 4 batteries to redo both base & rover.
 
Part numbers: TOP240-030001-01, 24-030001-01, EGP-0620-1, EGP-0620-1 REV1
Compatible with following models: Hiper Pro, Hiper Lite, Hiper Lite Plus, Hiper-L1, Hiper Ga, Hiper Gb
7.4V 4400mah
Li-Ion, Lithium Ion
Wrapper color varies