New 7.9*5.4mm Carbon PC Laptop Converter Connector DC 20V Charger Power Supply Adapter for Lenovo ThinkPad

Name: Power Conversion Head Female end: DC 7.9x5.4mm Male head: square mouth with pin [Dedicated power plug for Lenovo ThinkPad laptop] Weight: 11g each Shape: Elbow Allowable working voltage: 20V Allowable load power: 90W (20V 4.5A), 65W (20V 3.25A) two kinds, 90W and 65W can be shared with each other