{"id":20886,"date":"2018-03-15T13:42:15","date_gmt":"2018-03-15T17:42:15","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=20886"},"modified":"2018-04-06T10:37:04","modified_gmt":"2018-04-06T14:37:04","slug":"iphone-wireless-phone-charging-comes-at-a-cost-your-battery","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2018\/03\/15\/iphone-wireless-phone-charging-comes-at-a-cost-your-battery\/","title":{"rendered":"iPhone Wireless Phone Charging Comes at a Cost: Your Battery"},"content":{"rendered":"

Sasha Lekach<\/a>:<\/p>\n

Kingsley-Hughes determined — based on Apple’s claim<\/a> that an iPhone battery is “designed to retain up to 80 percent of its original capacity at 500 complete charge cycles” — that his phone would hit 500 charges in about a year and a half. Most phones are expected to keep a charge at 80 percent for two or three years of use.<\/p>

In about six months, he’s already hit 135 charging cycles. He looked at his charging behavior and realized that since switching over to a wireless charging plate about six months ago, he was eating up his charges at an alarming rate. Now instead of the cord bearing the brunt of power duties, his battery is constantly working to charge. It’s a losing battle. <\/p>

Other phone users on Android devices have their suspicions about heavy battery wear<\/a> on the devices with inductive charging.<\/p><\/blockquote>\n

Dan Masters<\/a>:<\/p>\n

\n

Fantastic. Basically, if you don’t want your phone throttled in less than a year, don’t use wireless charging.<\/p>\n

iPhone wireless phone charging comes at a cost: battery health<\/p>\n<\/blockquote>\n

My iPhone SE does not have wireless charging, but according to coconutBattery<\/a> it has already dropped to less than 80% capacity after less than a year.<\/p>\n\n

Previously: iPhone Charging Speeds Compared<\/a>, iPhone 8, Qi Wireless Charging, and the Challenge of Open<\/a>, Apple’s Message to Customers About iPhone Batteries and Performance<\/a>.<\/p>\n\n

Update (2018-03-29): I now realize I was misinterpreting coconutBattery’s display. My iPhone SE battery actually retains its full design capacity.<\/p>\n\n

Update (2018-04-06): See also: Accidental Tech Podcast<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

Sasha Lekach: Kingsley-Hughes determined — based on Apple’s claim that an iPhone battery is “designed to retain up to 80 percent of its original capacity at 500 complete charge cycles” — that his phone would hit 500 charges in about a year and a half. Most phones are expected to keep a charge at 80 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[],"tags":[28,1641,31,1472,85,1570,1338,1573,1578],"class_list":["post-20886","post","type-post","status-publish","format-standard","hentry","tag-batterylife","tag-coconutbattery","tag-ios","tag-ios-11","tag-iphone","tag-iphone-8","tag-iphone-se","tag-iphone-x","tag-qi-charging"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/20886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=20886"}],"version-history":[{"count":3,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/20886\/revisions"}],"predecessor-version":[{"id":21130,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/20886\/revisions\/21130"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=20886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=20886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=20886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}