You&#x27;ll always save time with an electric kettle — it&#x27;s likely to be better-insulated, have a lid, and the heating element is in contact with the water.  It will still take 4-5 minutes though, even with a powerful kettle.<p>In case you&#x27;re not familiar with them, we&#x27;re discussing something like [1], or, to show these are very widespread commodity appliances, [2], which costs $7 including tax.<p>[1] <a href="http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Andrew-James-Cordless-Indicator-Warranty&#x2F;dp&#x2F;B00LA4BPXQ" rel="nofollow">http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Andrew-James-Cordless-Indicator-Warr...</a><p>[2] <a href="http:&#x2F;&#x2F;www.argos.co.uk&#x2F;static&#x2F;Product&#x2F;partNumber&#x2F;9016710.htm" rel="nofollow">http:&#x2F;&#x2F;www.argos.co.uk&#x2F;static&#x2F;Product&#x2F;partNumber&#x2F;9016710.htm</a>