The utility model discloses a former battery filling monitoring devices of lithium relates to lithium primary cell monitoring facilities technical field, its characterized in that: at least, include: one support frame (4) and one cleat insulator (2), cleat insulator (2) comprise two parallel arrangement's insulating panel, wherein, insulating panel and support frame (4) fixed mounting, and be provided with the lithium primary cell on this insulation panel and install the base, fixed mounting has probe pull rod (5) that drive this insulation panel motion on the other insulating panel, just installs on this insulation panel spring probe (3), spring probe (3) are connected through wire and tester (7) electricity. By adopting the above technical scheme, at the in -process of annotating liquid to the lithium primary cell, can carry out the real -time measurement to the data (for example voltage) of lithium primary cell, just so can improve the factor of safety who annotates liquid, taking precautions againt calamity, simultaneously the utility model discloses still has simple structure, convenient to use's advantage.