Ac Adapter Charger replacement for IBM ThinkPad X31-2884 X31-2885 X32 X40 X40-2371 X40-2372 IBM ThinkPad X40-2382 X40-2386 X41 340-2610 340 345 355 IBM ThinkPad A30-2654 A30P A31 E530 i1100 i1200 Laptop Notebook
Amazon.com: Renata CR2032AH1-MFR 3V Lithium Coin Battery HORZ 2-PIN for PC CMOS IBM ThinkPad A31 Series, IBM ThinkPad I -Series, IBM ThinkPad 2655-27A, IBM ThinkPad R50, R52 A31P T20 T21 : Health
IBM Thinkpad R31 System Board Issue and SSD - YouTube