Macintosh 3.6v Lithium Battery 1/2 AA 1,200mAh PRAM
See compatibility table below. In the LC475 it can prevent video out initialising. • Macintosh II series computers. • Macintosh SE FDHD. • Macintosh Classic (4-chip and 2-chip). • Macintosh SE/30, IIx, IIcx, IIci, IIfx, IIsi series computers.