Superb Choice 135W Lenovo ThinkPad W510 4876 Laptop AC Adapter Input:AC100-240V; Output: DC 20V 6.75A 135W; 7.9mm*5.5mm 1 year replacement warranty,30-day refund guarantee after the purchase. High Efficiency and Reliability. This adapter was tested and proven to match and/or exceed original specifications of LENOVO products Over current protection;Total power protection;Over voltage protection;Short Circuit Protection Compatible Part Numbers: Lenovo 45N0052, 45N0053, 45N0054, 45N0055, 45N0056, 45N0057, 45N0058, 45N0059, 45N0080, 55Y9317, 55Y9318, 55Y9319, 55Y9320, 55Y9321, 55Y9322, 55Y9323, 55Y9324, 55Y9325, 55Y9326, 55Y9327, 55Y9328, 55Y9329, 55Y9330, 55Y9331, 55Y9332, 57Y4622, 42T5093 Compatible Laptop Models: Lenovo ThinkPad W510 4876

Superb Choice 135W Lenovo ThinkPad W510 4876 Laptop AC Adapter Input:AC100-240V; Output: DC 20V 6.75A 135W; 7.9mm*5.5mm 1 year replacement warranty,30-day refund guarantee after the purchase. High Efficiency and Reliability. This adapter was tested and proven to match and/or exceed original specifications of LENOVO products Over current protection;Total power protection;Over voltage protection;Short Circuit Protection Compatible Part Numbers: Lenovo 45N0052, 45N0053, 45N0054, 45N0055, 45N0056, 45N0057, 45N0058, 45N0059, 45N0080,