{"id":2066,"date":"2014-04-26T16:35:56","date_gmt":"2014-04-26T15:35:56","guid":{"rendered":"http:\/\/west-penwith.org.uk\/blog\/?p=2066"},"modified":"2014-07-25T10:13:29","modified_gmt":"2014-07-25T09:13:29","slug":"not-all-usb-chargers-are-made-equal","status":"publish","type":"post","link":"https:\/\/west-penwith.org.uk\/blog\/archives\/2066","title":{"rendered":"Not all USB chargers are made equal"},"content":{"rendered":"<p>Well, we sort of knew that. Some devices like more power to charge faster so their dedicated chargers will give more power&#8212;the iPad is a case in point. But you would think they they would all provide up to their rated power to any device that asked for it. No.<\/p>\n<p>All figures are in amps drawn. Blanks are not tested. &#8220;X&#8221; indicates it refused to play.<\/p>\n<table>\n<tr>\n<th><\/th>\n<th>iPad<\/th>\n<th>iPhone 4<\/th>\n<th>HP Slate 7<\/th>\n<th>LG Phone<\/th>\n<th>Garmin<\/th>\n<\/tr>\n<tr>\n<th>iPad charger<\/th>\n<td>2.0<\/td>\n<td><\/td>\n<td>X<\/td>\n<td>X<\/td>\n<td>0.48<\/td>\n<\/tr>\n<tr>\n<th>iPhone charger<\/th>\n<td><\/td>\n<td>0.85<\/td>\n<td>0.95<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<th>HP charger<\/th>\n<td>0.9<\/td>\n<td>0.85<\/td>\n<td>1.0<\/td>\n<td>0.35<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Camelion charger<\/th>\n<td>0.9<\/td>\n<td><\/td>\n<td>X<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Maplin Travel charger<\/th>\n<td>0.9<\/td>\n<td><\/td>\n<td>X<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/table>\n<p>My conclusion at the moment is that the iPad charger refuses to charge most non-Apple devices (it is outside the USB specification anyway). Also that the Slate 7 is slightly fussy about which charger it uses.<\/p>\n<p>You have to be careful which chargers you take on holiday if you are traveling light.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Well, we sort of knew that. Some devices like more power to charge faster so their dedicated chargers will give more power&#8212;the iPad is a case in point. But you would think they they would all provide up to their rated power to any device that asked for it. No. All figures are in amps [&hellip;]<\/p>\n","protected":false},"author":239,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2066","post","type-post","status-publish","format-standard","hentry","category-technical"],"_links":{"self":[{"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/posts\/2066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/users\/239"}],"replies":[{"embeddable":true,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/comments?post=2066"}],"version-history":[{"count":2,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/posts\/2066\/revisions"}],"predecessor-version":[{"id":2083,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/posts\/2066\/revisions\/2083"}],"wp:attachment":[{"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/media?parent=2066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/categories?post=2066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/west-penwith.org.uk\/blog\/wp-json\/wp\/v2\/tags?post=2066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}