{"id":19798,"date":"2023-01-19T13:46:48","date_gmt":"2023-01-19T04:46:48","guid":{"rendered":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=19798"},"modified":"2023-01-19T13:46:48","modified_gmt":"2023-01-19T04:46:48","slug":"magsafe%e5%85%85%e9%9b%bb%e5%99%a8%e6%a1%88%e5%a4%96%e8%89%af%e3%81%95%e3%81%9d%e3%81%86","status":"publish","type":"post","link":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=19798","title":{"rendered":"MagSafe\u5145\u96fb\u5668\u6848\u5916\u826f\u3055\u305d\u3046"},"content":{"rendered":"\n

某大手通販サイトから，6個組で999円という磁気強化リングとMagSafeコンパチブルな充電機能付きスタンドを買いました．<\/p>\n\n\n\n

磁気強化リングは要するに磁石にくっつく輪で，充電が速くなるとかそういう代物ではありません．安いからか厚みがあってスマホケースの内側に貼ると具合が悪そうなのでiPhone 14のクリアケースの外側に貼りました．<\/p>\n\n\n\n

また，充電しないでスタンドに着脱するのが主な目的なので，MagSafeとは全く無関係なAQUOS sense4 liteのクリアケースの外側にも同じように貼ってみました．<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

いずれも良い感じでスタンドにくっつきます．<\/p>\n\n\n\n

でそのスタンドですが，某大手通販サイトの出店から買いました．4千円ほどです．<\/p>\n\n\n\n

筆者にとっては肝心ではないのですが，充電機能も動いてくれます．<\/p>\n\n\n\n

付属のUSB用ACアダプターに，SANWAサプライの電力計をつないで測ってみたら，ACアダプターに何もつながない状態で，電流0.00Aで，電力，皮相電力はそれぞれ0W, 0VAです．待機電力的には優秀な電源アダプターです．<\/p>\n\n\n

\n
\"\"
USBアダプターの待機電力(電流)を測定しているところ．<\/figcaption><\/figure>\n<\/div>\n\n\n

そして，充電スタンドにUSBケーブルをつなぎ，スマホを付けない状態でも，電流，電力，皮相電力はそれぞれ，0.00A, 0W, 0VAです．システムとしても待機電力的にはきわめて優秀です。<\/p>\n\n\n

\n
\"\"
購入した3rdパーティー製MagSafeスタンド<\/figcaption><\/figure>\n<\/div>\n\n\n

クリアケースと磁気強化リングを付けたiPhone 14をくっつけると，電流と電力はそれぞれ0.10A, 10Wとなります（皮相電力は測り忘れました）．<\/p>\n\n\n

\n
\"\"
iPhone 14をくっつけてACアダプターの電流を測定．<\/figcaption><\/figure>\n<\/div>\n\n\n

普段のiPhoneの使い方では，バッテリー残量が90%を割ることはないので，速い充電は必要なく，期待もしていません．<\/p>\n\n\n\n

スタンドにカチャッとくっつけて，付けている間バッテリーの消費がなければそれで充分です．<\/p>\n\n\n\n

クリアケースとリングの厚みで送電コイルからiPhoneの受電コイルがその厚みの分遠くなるので，充電速度に期待するのは酷な話です．また，クリアケースをわざわざ外して充電するならLightningケーブルを差し込んだほうが速いです．<\/p>\n\n\n\n

そのため，この充電スタンドについて，充電の速度などは今後も測ることはないと思います．<\/p>\n","protected":false},"excerpt":{"rendered":"

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