Guy-Tech Global AC/DC Laptop Adapter for Lenovo 45n0057 — 20V 135W (135W-170W) Power Supply Cord

Brand new replacement AC/DC adapter compatible with Lenovo laptops (model 45n0057). Input: 100V–240V, 50/60Hz for worldwide use. Output: 20V, 135W (suitable within 135W–170W range). This unit is a non-original replacement, not an OEM. Built-in protections include over-voltage output protection, over-current output protection and short-circuit output protection. Designed with high power conversion efficiency to help control operating temperature and provide stable, reliable performance.