Spare or Replacement DC Power Supply | 20 Volts | 2 AMPS | Type-N Barrel&lt;br/&gt;&lt;br/&gt;This 20V DC power adapter is primarily a replacement or spare power adapter for the DK30A2DH or DK30ADD laptop docking stations. It can also universally supply power for any electronic device that has an N-type barrel and requires 20 volts and up to 2 amps of power. &lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Replace Your Failed or Lost Power Adapter &lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;The power supply is a perfect replacement for the lost or damaged 20V / 2A power adapter you&#39;ve used to power your existing electronics such as your docking station. &lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;Keep a Spare Power Adapter on Hand &lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;When downtime isn&#39;t an option keeping spare power adapters on hand ensures that you won&#39;t be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source. &lt;br/&gt;&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;The SVA20N2NEUA is backed by a StarTech.com 2-year warranty and free lifetime technical support.&lt;br/&gt;&lt;br/&gt;The StarTech.com Advantage&lt;br/&gt;&lt;br/&gt;- Replacement power adapter for StarTech.com DK30A2DH and DK30ADD laptop docking stations&lt;br/&gt;- Replace lost or purchase spare power adapter for DK30A2DH or DK30ADD&lt;br/&gt;- Supports a range of devices that require 20 volt and 2 amps (or less) of power and a N-type barrel connector