... .5AMPOutput Voltage16VOverload ProtectionYESShort Circuit ProtectionYESRipple Noise200mvLine Regulation1%Load Regulation1%Compatible Laptop ModelThinkPad 240, 310, 360, 380, 385XD, 390, 390E, 385XD, 770ThinkPad ... ,ThinkPad 500, 560, 570 ThinkPad A20, A20M, A21, A22, A22M, A30, A31, A31P ThinkPad R30, R31, R32, R33ThinkPad T20, T21, T22 ...