Lenovo Sealed Battery Add On - Battery replacement - 2 years - for ThinkPad P40 Yoga; P50s; P51; P51s; P52s; X1 Carbon; X1 Extreme; X1 Tablet; X1 Yoga; X380 Yoga; ThinkPad Yoga 20C0, 20CD; ThinkPad Yoga 12; 14; 15; 260; 370; 460