Specifications: Input: 100-240V 50-60Hz (for worldwide use) Output: 20V 3.25A 65W (Compatible with 20V 2.25A 45W) Connector Size: Square Slim Tip Overheating Protection with Smart Chip. Overload Protection with High Quality Wires. Compatible Lenovo Thinkpad(Part models): Lenovo ThinkPad X1 Carbon Gen2/Gen3/Gen4. Lenovo Thinkpad X1 Yoga Gen1! Lenovo ThinkPad S1 Yoga 12, S3 Yoga 14, S5 Yoga 15. Lenovo ThinkPad Yoga 260. Lenovo T Series: T430, T431S, T440, T440P, T440S, T450, T450S, T460, T460S, T470, T470S, T540P, T550, T560, T570. Lenovo X Series: X240, X240S, X250, X260, X270. Lenovo Z Series: Z40, Z40-70, Z40-75, Z41, Z41-70, Z50, Z50-70, Z50-75, Z51, Z51-70, Z410, Z505, Z510. Lenovo E Series: E431, E440, E450, E455, E460, E465, E470, E475, E531, E540, E550, E550C, E555, E560, E565, E570, E575. Lenovo L Series: L440, L450, L460, L470, L540, L560, L570. Lenovo B Series: B40, B50, B40-30, B40-80, B50-30, B50-35, B50-45, B50-70, B50-80. Lenovo G Series: G40, G50, G51, G70, G40-70, G40-80, G50-30, G50-45, G50-70, G50-80, G51-35, G70-35, G70-80. Lenovo S Series: S405, S410, S410P, S431, S440, S500, S510p, S531, S540. Lenovo U330, U330P, U430, U430p, U530, V110, V310. Lenovo Flex 2, Flex 3, Flex 14, Flex 15, Flex 15D. Lenovo IdeaPad 300 300S 500 500S. Lenovo IdeaPad Yoga 2 11, 2 13, 2 Pro, 11, 11S, 13. Lenovo Essential G400, G400S, G405S, G410, G410S, G500, G500S, G505, G505S, G510, G510S. Compatible P/N: ADLX65NLC2A, ADLX65NLC3A, ADLX65NDC3A, ADLX65NCC2A, ADLX65SLC2A, ADLX65NDC2A ADLX45DLC2A, ADLX45NDC2A, ADLX45NLC3A, ADLX45NCC3A, ADLX45NDC3A.