Apple Macintosh 4.5V PRAM Battery 3x AAA Pack For Power Mac, LC and Performa | eBay
A reminder to remove the PRAM battery from your Mac, or replace it with a new one every few years to prevent this from happening. This was a Macintosh IIvx with its
How To Remove / Replace an iMac G3 PRAM Battery [Tray-Loading iMacs] - YouTube