{"id":5145,"date":"2020-06-05T07:00:00","date_gmt":"2020-06-05T11:00:00","guid":{"rendered":"https:\/\/langa.com\/?p=5145"},"modified":"2020-05-29T16:31:02","modified_gmt":"2020-05-29T20:31:02","slug":"why-is-there-no-considerable-technical-development-in-laptop-and-phone-chargers-over-the-years","status":"publish","type":"post","link":"https:\/\/langa.com\/index.php\/2020\/06\/05\/why-is-there-no-considerable-technical-development-in-laptop-and-phone-chargers-over-the-years\/","title":{"rendered":"&#8220;Why is there no considerable technical development in laptop and phone chargers over the years?&#8221;"},"content":{"rendered":"\n<p><em><small>(Answer requested by Prapat Saxena)<\/small><\/em><\/p>\n\n\n\n<p>I disagree with the premise of your question.<\/p>\n\n\n\n<p>Most charging is by USB these days. When USB 1 came out in 1996, it supported 5 volt\/0.5amp charging; 2.5 watts.<\/p>\n\n\n\n<p>Today&#8217;s newest USB charging supports up to 20 volts\/5 amps; 100 watts.<\/p>\n\n\n\n<p>And there are now wireless charging options, too.<\/p>\n\n\n\n<p>I&#8217;d consider a 40-fold increase in power, and the elimination of some wires, &#8220;considerable&#8221; developments, wouldn&#8217;t you?<\/p>\n\n\n\n<p>More info:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Wikipedia: <a rel=\"noreferrer noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/USB\" target=\"_blank\">USB<\/a><\/strong><\/li><li><strong><a rel=\"noreferrer noopener\" href=\"https:\/\/www.digitalcitizen.life\/fast-charging-standards\" target=\"_blank\">Fast charging standards: How many are there? How are they different?<\/a><\/strong><\/li><\/ul>\n\n\n\n<p class=\"has-text-align-right has-small-font-size\"><em><strong>Permalink: <a href=\"https:\/\/langa.com\/?p=5145\">https:\/\/langa.com\/?p=5145<\/a><\/strong><\/em><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"104\" height=\"6\" data-attachment-id=\"1999\" data-permalink=\"https:\/\/langa.com\/index.php\/2019\/02\/10\/around-boston-the-nearly-snowless-winter-continues\/seperator-short-grey\/\" data-orig-file=\"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/02\/SEPERATOR-short-grey.png?fit=104%2C6&amp;ssl=1\" data-orig-size=\"104,6\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SEPERATOR short grey\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/02\/SEPERATOR-short-grey.png?fit=104%2C6&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/02\/SEPERATOR-short-grey.png?resize=104%2C6\" alt=\"[seperator]\" class=\"wp-image-1999\"\/><\/figure><\/div>\n\n\n\n<p style=\"text-align:left\"><strong>COMMENT \/ QUESTION<\/strong>  on <strong>THIS ITEM?<\/strong> <em>See the<\/em> <strong>Comment box<\/strong> <em>at bottom of this page!<\/em><br><b><em><br><\/em>NEW QUESTION? <\/b><em>Ask<\/em><b> <u><font color=\"#000117\"><a rel=\"noreferrer noopener\" href=\"https:\/\/langa.com\/index.php\/contact\/\" target=\"_blank\">here<\/a><\/font><\/u><\/b>!<br><br>(<em>Want free notification of new content? Click<\/em><b><strong> <\/strong><a rel=\"noreferrer noopener\" href=\"https:\/\/langa.com\/index.php\/2018\/09\/09\/get-free-automatic-notification-of-new-content\/\" target=\"_blank\">here<\/a><\/b>!)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Answer requested by Prapat Saxena) I disagree with the premise of your question. Most charging is by USB these days. When USB 1 came out in 1996, it supported 5 volt\/0.5amp charging; 2.5 watts. Today&#8217;s newest USB charging supports up to 20 volts\/5 amps; 100 watts. And there are now wireless charging options, too. I&#8217;d&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3849,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[7,30],"tags":[],"class_list":["post-5145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-reader-asks","category-hardware"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/11\/USB_icon.png?fit=417%2C200&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paaiox-1kZ","jetpack-related-posts":[{"id":3846,"url":"https:\/\/langa.com\/index.php\/2019\/12\/03\/3846\/","url_meta":{"origin":5145,"position":0},"title":"&#8220;Does USB 3.2 Gen 1 support fast charging?&#8221;","author":"Fred Langa","date":"2019-12-03","format":false,"excerpt":"(Answer requested by Rinki Singh) No. Normal USB 3.2 Gen 1 combined data\/power sockets can deliver a maximum of 900mA at 5v, for 4.5w total. It\u2019s not meant for use has a high-power charging port. (USB standards -- Wikipedia) Separately, there are special-purpose USB PD (power-delivery) socket standards, and USB\u2026","rel":"","context":"In &quot;A reader asks...&quot;","block_context":{"text":"A reader asks...","link":"https:\/\/langa.com\/index.php\/category\/a-reader-asks\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/11\/USB_icon.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2913,"url":"https:\/\/langa.com\/index.php\/2019\/06\/07\/what-is-the-best-way-to-charge-several-devices-at-once-on-usb\/","url_meta":{"origin":5145,"position":1},"title":"&#8220;What is the best way to charge several devices at once on USB?&#8221;","author":"Fred Langa","date":"2019-06-07","format":false,"excerpt":"A good externally powered USB hub --- that is, one with its own separate power supply --- is what you need. The external power is key because USB is fundamentally a data transfer standard, not a battery-charging standard. Charging takes a lot more power than data-transfer; a PC's built-in USB\u2026","rel":"","context":"In &quot;A reader asks...&quot;","block_context":{"text":"A reader asks...","link":"https:\/\/langa.com\/index.php\/category\/a-reader-asks\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/06\/external-usb-hub.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2757,"url":"https:\/\/langa.com\/index.php\/2019\/05\/14\/real-life-measurements-show-ways-to-speed-smartphone-charging-times\/","url_meta":{"origin":5145,"position":2},"title":"Real-life measurements show ways to speed smartphone charging times","author":"Fred Langa","date":"2019-05-14","format":false,"excerpt":"In response to \u201cIs there any way to charge a phone faster?,\u201d reader Peter Rothschild sent in the following interesting and very surprising post, based on his real-life measurements of smartphone charging times. Fascinating info about differences in USB charging cables! (Thanks, Peter!): \"I have done a bit of experimenting\u2026","rel":"","context":"In &quot;Hardware&quot;","block_context":{"text":"Hardware","link":"https:\/\/langa.com\/index.php\/category\/hardware\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3355,"url":"https:\/\/langa.com\/index.php\/2019\/09\/05\/how-do-i-stop-my-charging-ports-from-dust-and-other-particles-resulting-in-the-phone-not-charging\/","url_meta":{"origin":5145,"position":3},"title":"&#8220;How do I stop my charging ports from collecting dust etc., resulting in the phone not charging?&#8221;","author":"Fred Langa","date":"2019-09-05","format":false,"excerpt":"(Answer requested by Julian Diep) If you can\u2019t just blow the dust from the port before each use, and if a phone-enclosing case is overkill, try a plastic or rubber \u201cUSB Port Cover;\u201d a malleable, nonconductive plug that fit snugly into an unused USB socket, preventing debris from entering. They're\u2026","rel":"","context":"In &quot;A reader asks...&quot;","block_context":{"text":"A reader asks...","link":"https:\/\/langa.com\/index.php\/category\/a-reader-asks\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/09\/usb-covers.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/09\/usb-covers.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/09\/usb-covers.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/09\/usb-covers.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/09\/usb-covers.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":1376,"url":"https:\/\/langa.com\/index.php\/2018\/12\/18\/a-reader-asks-how-much-does-charging-a-mobile-phone-cost\/","url_meta":{"origin":5145,"position":4},"title":"A reader asks: &#8220;How much does charging a mobile phone cost?&#8221;","author":"Fred Langa","date":"2018-12-18","format":false,"excerpt":"Not much. In fact, probably less than a penny! You can roughly guesstimate it for yourself this way: Note that electricity is usually sold by the kiloWatt hour (kWh) --- 1000 Watts delivered for one hour. If you know the Wattage of your phone charger, and how long it runs,\u2026","rel":"","context":"In &quot;A reader asks...&quot;","block_context":{"text":"A reader asks...","link":"https:\/\/langa.com\/index.php\/category\/a-reader-asks\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3961,"url":"https:\/\/langa.com\/index.php\/2019\/12\/19\/say-im-charging-my-phone-and-drop-it-in-my-bath-while-its-connected-will-i-possibly-die-and-or-will-the-phone-be-damaged\/","url_meta":{"origin":5145,"position":5},"title":"&#8220;Say I&#8217;m charging my phone and drop it in my bath while it&#8217;s connected, will I possibly die and\/or will the phone be damaged?&#8221;","author":"Fred Langa","date":"2019-12-19","format":false,"excerpt":"(Answer requested by Oskar Jackowiak) His full question: \"Say I'm charging my Galaxy S10 with my portable powerbank, if I was to drop the phone whilst connected into water will I possibly die and\/or will the phone be damaged?\" I'd be more worried about the powerbank than the phone, or\u2026","rel":"","context":"In &quot;A reader asks...&quot;","block_context":{"text":"A reader asks...","link":"https:\/\/langa.com\/index.php\/category\/a-reader-asks\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/langa.com\/wp-content\/uploads\/2019\/12\/toaster-tub-suicide-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/posts\/5145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/comments?post=5145"}],"version-history":[{"count":5,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/posts\/5145\/revisions"}],"predecessor-version":[{"id":5170,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/posts\/5145\/revisions\/5170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/media\/3849"}],"wp:attachment":[{"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/media?parent=5145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/categories?post=5145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/langa.com\/index.php\/wp-json\/wp\/v2\/tags?post=5145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}