{"type":"product","schema_version":"1.0","item_id":"101616940488","canonical_url":"https://tw.bid.yahoo.com/item/101616940488","title":"【現貨】 USB 5V轉 DC 3.7V-4.2V 降壓線 5.5*2.1 兼容 2.5 充電 行動電源 1米 小齊的家","subtitle":"USB 5V 降壓線 轉 4.2V 1A (可接 行動電源 USB充電器)","condition":"全新品","currency":"TWD","observed_at":"2026-07-23T02:02:04.862Z","current_price":85,"original_price":null,"stock_status":"in_stock","available_quantity":999,"sold_quantity":0,"seller":{"id":"Y1278901191","name":"小齊的家","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/8bb69857-d19d-4d30-ada8-4da96000b10f.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c1bddd1a-d5ee-42c7-840e-e726cdb2bcb4.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/20eb592c-ac35-4f40-a396-fcd28ee0d88f.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"商品介紹 \n\n                                                         \n\n                USB 5V 降壓線\n\n                 USB 5V 轉 4.2V 1A (可接 行動電源 USB充電器)\n\n                 \n\n                                    商品特色：\n\n                    ●精緻小巧，使用不占空間。\n\n                    ●降壓電路品質穩定可靠，雙面板設計干擾小，轉換效率高。\n\n                    ●可將 5V 降壓 4.2V。\n\n                    ●帶有電源工作LED指示燈。\n\n                    ●適用於耳機、手電筒、充電電池等多樣DC 5.5mm 接頭設備。\n\n                    ※購買前請先自行確認設備耗電是否適用。\n\n                     \n\n                    完整圖片說明：請使用電腦版(複製網址)前往查看\n                            https://www.chi-lung.com/pic/promotion/USB buck-boost cable.jpg\n\n                     \n\n                    商品規格：\n\n                    ●型號：USB 5V 轉 4.2V 降壓線\n\n                    ●輸入電壓：USB 5V \n\n                    ●輸入電流：1A\n\n                    ●輸出接頭：5.5 x 2.5mm (通用5.5x2.1mm )\n\n                    ●輸出電壓：4.2V\n\n                    ●輸出電流：1A\n\n                    ※若超過輸出瓦數，電壓會嚴重衰減，請先自行確認設備耗電是否適用。\n\n                    ●接頭極性：外負內正\n\n                    ●商品長度：約 100 公分\n\n                    ●商品重量：約 26 克\n\n                     \n\n                    注意事項:\n\n                    ●購買前請先自行確認設備耗電是否適用。\n\n                    ●實際輸出要看USB供應的瓦數，建議使用足 1A以上，電壓比較穩。\n\n                    ●若行動電源本體未做濾波電路，導致電源輸出 紋波過大，會有無法供電的情況發生。\n\n                     \n\n                    商品保固 7天(非試用期)\n\n                                        \n\n                                        買家需知\n\n                                                        下標後 麻煩您請在三天內轉帳或匯款\n\n                                                        其它注意事項\n\n                                                        所有問題請在問與答內提出，請確認無疑問後再下標，結標以後恕不再接受任何異議。如無法接受請勿下標，惡意棄標者一律給予負面評價。\n\n                1 ． 如果您收到的商品有問題 (非人為損壞) 請在 7 日內與我連絡，\n\n                我將幫您更換新品 (免郵資) 。\n\n                2 ． 郵寄請先完成轉帳，並來信告知詳細購買資料。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨不付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092076566","category_name":"轉接線/轉接頭","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092076555","name":"線材/轉接頭","url":"/tw/%E7%B7%9A%E6%9D%90-%E8%BD%89%E6%8E%A5%E9%A0%AD-2092076555-category.html"},{"id":"2092076566","name":"轉接線/轉接頭","url":"/tw/%E8%BD%89%E6%8E%A5%E7%B7%9A-%E8%BD%89%E6%8E%A5%E9%A0%AD-2092076566-category.html"}],"view_count":2,"watch_count":0}