{"type":"product","schema_version":"1.0","item_id":"101226309577","canonical_url":"https://tw.bid.yahoo.com/item/101226309577","title":"►2981◄3串12V18650鋰電池保護板/11.1V 12.6V防過充過放保護 工作電流8A","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-02T13:06:28.932Z","current_price":48,"original_price":null,"stock_status":"in_stock","available_quantity":991,"sold_quantity":8,"seller":{"id":"Y2849097376","name":"宇倉電子-全館(已含稅)開發票","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/766b0205-fa8f-415d-935c-6f4542f05d36.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/9f512e1b-7548-498e-a26b-91d25383ff1c.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null}],"description":"產品尺寸：30*30*3mm\n\n上限工作電流 : 8A    \n\n上限瞬間電流：12A\n\n過充電壓:約4.25V±0.05V   \n\n過放電壓:約2. 5V ±0. 05V\n\n充電電壓：12. 6V-13V   \n\n靜態電流：約30uA\n\n短路保護：可保護，延遲自恢復\n\n \n\n注意：\n\n3A電流以上放電產品，電池放電倍率要3C以上。\n\n倍率計算公式：\n\n1C倍率的電池，2000容量等於2AH*1=2A工作電流。\n\n3C倍率電池，2000容量等於2AH*3=6A工作電流。\n\n在使用中電池會發熱就是電池倍率不適用，這種情況不能長期使用，電池會很快損壞。\n\n特別提醒\n\n1 : 嚴格按圖接線OV (B-)、3.7V (Bl)、7.4V (B2)、11.1V (B+),不要故意短路！\n\n2 : 接好線後需要先充電，才會有輸出。\n\n3 : 串聯三組電池時，請保證每組電池的電壓一樣，如果不一樣，請單獨充滿每組電池再串聯使用。\n\n \n\n放電測試時，電壓下降最快的那組電池是差電池。\n\n說明一下：不要把好電池和差電池混在一起使用！ 3組電池的容量/內阻越接近越好！\n\n (2個好電池+1個差電池的使用效果=3個差電池的使用效果）","shipping_methods":[{"name":"郵局掛號","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"}],"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":"2092073513","category_name":"其他耗材","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":"2092073513","name":"其他耗材","url":"/tw/%E5%85%B6%E4%BB%96%E8%80%97%E6%9D%90-2092073513-category.html"}],"view_count":0,"watch_count":11}