The dirty little secret about the ThinkPad T430's CMOS battery : Global Nerdy
NEW CMOS Battery for IBM Lenovo T430 IBM Lenovo X30 IBM Lenovo X31 IBM Lenovo X220 IBM Lenovo T410 IBM Lenovo T420 IBM Lenovo W510 IBM Lenovo W700 IBM Lenovo 02K7078 ThinkPad