Battery fits for Leica GEB121 GEB122 HITARGET: BT10 BT20 Geomax: Compatible with the following devices Geomax ZTS 602LR, fits Leica 400, 700, 800, DNA instruments, DNA03/10, GPS500, GS50, GS50 GPS, RCS1100, SR500, SR510, SR520, SR530 GPS, TC1102, TC1102C…