Input:100-240v / 50-60hz
output: 20v-8.5a-170w
compatible model: thinkpad 11e series, 11e 1st gen (amd windows), 11e 1st gen (chromebook), 11e 1st gen (intel windows), 11e 2nd generation (intel windows) e series- e440, e450, e455, e540, e550, e550c, e555 l series- l450, multimode- thinkpad helix (1st gen) s series- s431, s440, s531, s540 t series- t431s, t440, t440p, t440s, t450, t450s, t540p, t550 w series- w540, w550s x series- 11e, x1 carbon (3rd gen), x240, x240s, x250 yoga- yoga 12 (s1), yoga 14 (s3), yoga 15 (s5) y720
compatibel part number: adl170nlc2a, adl170nlc3a, 45n0370, 45n0373, 45n0374, 45n0375, 45n0487, 4x20e50574, 36200321, pa-1171-71