&quot;Button battery&quot; summons up a fairly familiar image for most US-based readers. Here&#x27;s a picture for you:<p><a href="https:&#x2F;&#x2F;upload.wikimedia.org&#x2F;wikipedia&#x2F;commons&#x2F;c&#x2F;c7&#x2F;Coin-cells.jpg" rel="nofollow">https:&#x2F;&#x2F;upload.wikimedia.org&#x2F;wikipedia&#x2F;commons&#x2F;c&#x2F;c7&#x2F;Coin-cel...</a>