1/2-AA Lithium Battery for Apple motherboards G4, Power Mac G5, Mac G3 computers 26190226778 | eBay
1999 Apple Power Mac G4 converted into a Gaming PC - Started this project back in 2016 and now it's finally finished! Thought the r/VintageApple community would enjoy this. Build Specs and
Brand New Saft LS14250 CMOS Battery, Apple iMac Power Mac G3 G4 G5 3.6V, | eBay