Mini AC Adapter 20V 2.25A 45W for Lenovo NotebookSpecifications1. Input: AC100 - 240V 0.9A 50-60Hz 2. Output: 20V 2.25A 3. Output power: 45W 4. Mini Replacement AC power charger adapter for your laptop. 5. Net weight: 136g 6. Length: 1.5m 7. AC power charger adapter: US, EU, AU, UK OptionalCompatible Models- For Lenovo ThinkPad X1 Carbon 344428U Ultrabook - For Lenovo ThinkPad X1 Carbon 344425U Ultrabook - For Lenovo ThinkPad X1 Carbon N3N25UK Ultrabook - For Lenovo ThinkPad X1 Carbon N3N72UK Ultrabook - For Lenovo ThinkPad X1 Carbon N3N2SUK Ultrabook - For Lenovo ThinkPad X1 Carbon N3N82UK Ultrabook - For Lenovo ThinkPad X1 Carbon 34442HU Ultrabook - For Lenovo ThinkPad X1 Carbon 3444AZF Ultrabook - For Lenovo ThinkPad X1 Carbon 34442HF Ultrabook - For Lenovo ThinkPad X1 Carbon 3444AZU Ultrabook - For Lenovo ThinkPad X1 Carbon 3443CTO Ultrabook - For Lenovo ThinkPad X1 Carbon 34442GU Ultrabook - For Lenovo ThinkPad X1 Carbon 344456U Ultrabook - For Lenovo ThinkPad X1 Carbon 3444B8U Ultrabook - For Lenovo ThinkPad X1 Carbon 34442DU Ultrabook - For Lenovo ThinkPad X1 Carbon 3444BDU Ultrabook - For Lenovo ThinkPad X1 Carbon 3444FEU Ultrabook - For Lenovo ThinkPad X1 Carbon 3444CUU Ultrabook - For Lenovo ThinkPad X1 Carbon 3444B7U Ultrabook - For Lenovo T431s, X1 carbon, E431, E435, L440, E531, E535, B49SA,K2450, T440, K4350, K4350A, K4450, K4450A,T440P, M4400S, S210T, S410P, Z410, Z710, Z501, Z505, Z510 - For Lenovo S1, S3, S5, X240, X230S, X240S, T440, T440S, Helix, Yoga 11E