42T4967 IBM Slice Battery 19 for ThinkPad X220 (Refurbished)
42T4904 IBM 6-Cell Battery 19 for ThinkPad X220 (Refurbished)
Record Breaker: Lenovo ThinkPad X220 Lasts Over 20 Hours | Laptop Mag
would it be theoretically possible to connect an X230 slice battery to a T430? they use the same dock connector so if the whitelist was removed and the plastic thats in the