Alimentazione originale da Lenovo adatta per i seguenti modelli: IBM/Lenovo IdeaPad Yoga 13 ThinkPad X1 carbonio Bordo del ThinkPad E540 ThinkPad E431 (6277,6886) ThinkPad E440 (20C5) ThinkPad E531 (6885) ThinkPad E540 (20C6) ThinkPad Helix ThinkPad L440 (20AS, 20AT) ThinkPad L540 (20AU, 20AV) ThinkPad S431 (20AX) ThinkPad S440 (20AY, 20BB) ThinkPad S531 (20B0,6887) ThinkPad S540 (20B3) ThinkPad T431s Pensilone T440 ThinkPad T440 (20B6,20B7) ThinkPad T440p (20AN, 20AW) ThinkPad T440p Doppio nucleo (20AN, 20AW) ThinkPad T440s ThinkPad T440s (20AQ, 20AR) Pensilone T540p ThinkPad T540p Doppio-Core (20BE, 20BF) ThinkPad T540p nucleo quad quadruplo ThinkPad (20BE, 20BF) PensatePad X1 ThinkPad X1 1286 ThinkPad X1 1291 1291 ThinkPad X1 1293 ThinkPad X1 1294 ThinkPad X240 ThinkPad X240s (20AJ, 20AK)