This SYSTEM battery part number is A98L-0031-0026 is normally found in variety of Fanuc controllers. Specifically this SANYO/PANASONIC/TDK varient battery is contained within a cartridge for fitting in CNC series 0i-C, 0i-D and Mate versions. The battery is lithium has the following catalogue numbers dependent on system fitted within: A02B-0309-K102 (0i-MC, 0i-MD, 0i-TC, 0i-TD) and robot controller R-30iA and R-30iB (A05B-2550-K030). Fitted with unique AMP battery connector.
The A98L-0031-0026 is a 3volt backup battery for the system memory with important system information. Fanuc recommends changing your battery every 12 months. Firstly we would like to recommend that you back up your control ASAP via PCMCIA Flash card, RS232 dump, ethernet. We always try keep these batteries in stock, though we are not perfect.
The part number is usually printed on the side of the battery. The A98L-0031-0026 batteries for Fanuc can have manufacturer part numbers from Panasonic or Sanyo which are the 2/3 height AA style battery cell.