No, phones don&#x27;t use power after they&#x27;re done charging (they might trickle-charge[1], but that uses a fraction of the power). That would either destroy the battery or heat up your phone to spend that energy.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Trickle_charging" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Trickle_charging</a>