Finally got a slice battery today, X220 set nearly complete! : r/thinkpad
Just bought a quirky x220 slice battery. Looks exactly like a 19+, but says 20+. Works completely fine with 1% wear. Does anyone know what it might be? : r/thinkpad
The Slice Battery for ThinkPads (🍕🔋 🍀 🤔🗒️) - YouTube
ThinkPad X220 review | TechRepublic
Lenovo ThinkPad X220 Review - Notebook Reviews by MobileTechReview
Lenovo ThinkPad X220 Series Slice Battery 42T4967 42T4904
Just bought a quirky x220 slice battery. Looks exactly like a 19+, but says 20+. Works completely fine with 1% wear. Does anyone know what it might be? : r/thinkpad