Vintage AC adapter for old ThinkPad. Stored long-term after the main unit was disposed of. No power cable to connect to the outlet. A cable matching the shape in the third photo is required for use. The tester in the fourth photo is not included. Operation has not been confirmed by connecting to a PC; only voltage has been checked with a tester. AC adapter ThinkPad IBM Lenovo Vintage IBM logo Rare Collector's item Nostalgic Unusual Rare Scarce 16V The following information is automatically entered and may not be accurate: IBM AC adapter, input 100-240V, output 16V/2.2A, made in Indonesia. - Brand: IBM - Model: 12J1441 - Input Voltage: 100-240V - Output Voltage: 16V - Output Current: 2.2A - Frequency: 50-60Hz - Country of Manufacture: Indonesia Thank you for viewing.