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IBM ThinkPad R30 keeps giving me errors about System Battery, and I think I've found the right part but I'm not sure. (Pics and Links inside) : r/24hoursupport
New 3 Pin CMOS RTC Battery CR2032 02K7062 02K7063 For IBM ThinkPad R30 R31 R32 | eBay
Disassembling IBM ThinkPad A30 BIOS Battery - iFixit Repair Guide
FOR IBM THINKPAD R50E R50P R51 R52 R60 X30 X31 X32 300 LAPTOP CMOS BIOS BATTERY 818216833516 | eBay