Lenovo Original 170w Slim Tip Ac Adapter ( 4X20E50574 , Retail Packaged )
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<b>[Product Information]</b><br>
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<li>For ThinkPad T440p/T540p/W540 , see product description for all compatibility models</li>
<li>ThinkPad AC chargers are compact so they are highly portable</li>
<li>They are energy efficient with an Energy Star V (ES 2.0) rating and are backed by a 1 year official Lenovo warranty</li>
<li>This 170w adapter is only compatible with ThinkPad laptops with rectangular “slim tip” common power plugs</li>
<li>It is not compatible with pre-2013 ThinkPad laptops with the round, barrel-type power plug</li>
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