Fanuc A98L-0031-0012 Battery. The Sanyo 1 cell 3 Volts Battery comes with the JAE 2 pins connector, to fit on many different controls either into the PSU backup Battery slot or between the cooling Fans on i series controls. This Battery was fitted on Power Mate iD, iH, 0i-B and 0i-Mate-B, 15B, 16B, 18B, 21B, 16C, 18C, 15i-A, 15i-B, 16i-A, 16i-B, 18i-A, 18i-B, 21i-A and 21i-B as well 30i, 31i, 32i-A controls. The Battery back-up memory and storage of the SRAM, PMC, programs and other configuration files necessary for the i controls to run. The Battery cells are genuine Sanyo of Japan and not a cheap replacement. This Battery has an alternate part number in the maintenance manuals of A06B-0200-K102.