1/2AA size cylindrical cell with button top. 3.6 Volt Lithium Battery. Fits models; Advantech Industrial Computer 610, Apple Desktop Power Mac G3 266 Desktop, Apple Desktop Power Mac G3 Desktop, Apple Desktop Power Mac G3 Desktop series, Apple Macintosh Centris 610, Apple Macintosh Centris 630, Apple Macintosh Classic, Apple Macintosh Cla
1 Review
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back-up battery for 1999 iMac
Installed last week, it fits right and keeps the date from reverting to 1957. The lithium battrery that was in the computer for 23+ years did not leak, but is was clearly, most sincerely dead.