UPBRIGHT OEM AC/DC Adapter for Lenovo 20V 135W (45n0057) — 135W-170W High Power Laptop Charger

Compact, high-performance replacement AC/DC adapter from UPBRIGHT made for Lenovo laptops (model 45n0057). Built with advanced components for high efficiency, reliability and low interference/noise, this high power unit covers the 135W - 170W range and provides stable 20V output. Key electrical specifications and safeguards: Worldwide input voltage 100-240VAC 50/60Hz. Includes OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Product condition and support: Units are tested and in great working condition. UPBRIGHT offers a 30 days money back guarantee and 1 full year service warranty. Customer tip: Rechargeable laptop batteries typically last about 1 to 3 years. An old or failed battery may not accept a charge — this is not necessarily a charger fault. If you are uncertain whether the issue is the battery or the charger, use a volt meter to verify the charger's output.