{"type":"product","schema_version":"1.0","item_id":"100949835959","canonical_url":"https://tw.bid.yahoo.com/item/100949835959","title":"►1876◄9V 12V蓄電池防過放 聲光報警防過放保護板 低壓/欠壓保護模組","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-28T04:36:08.366Z","current_price":9945,"original_price":null,"stock_status":"in_stock","available_quantity":994,"sold_quantity":5,"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/9cfbf90b-d8bd-48b0-89d3-0e793abd4db5.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/27f06a94-e23d-4e48-9577-2169eb9ce161.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a0802bdd-2579-4224-8e05-e1c9f6984d0a.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"適用範圍：\n\n本款是通用型適用於電池9V/12V電壓的監測，簡單實用，俱有聲光報警提示。\n\n  \n\n註：目前設定為12V電瓶使用（若需9V電瓶，請自行調整電位器，可參考下方使用說明）\n\n  \n\n產品功能：\n\n電池欠壓後蜂鳴器發出“滴滴滴”的叫聲，同時紅色LED指示燈亮起，當電池電壓自已回升到設定值以上時，蜂鳴器停止報警。\n\n  \n\n簡要說明：\n\n1、尺寸：2.9CM*3.0CM\n\n2、主要晶片：LM358\n\n9V電池：當電池出現過放（電池電壓低於8V左右）時，紅色指示燈亮起並且蜂鳴器叫，實現聲光報警，從而實現掌握電瓶放電狀態，以防電瓶過於放電，損壞電瓶；\n\n  \n\n12V電池：當電池出現過放（電池電壓低於10.4V左右）時，紅色指示燈亮起並且蜂鳴器叫，實現聲光報警，從而實現掌握電瓶放電狀態，以防電瓶過於放電，損壞電瓶；\n\n  \n\n優勢特點：\n\n1、帶聲光報警，有沒有保護作用直接明瞭；\n\n2、模組輸入帶接反保護,輸入電源極性接反不會燒壞。但是沒有過壓保護，如果輸入超過15V，模組上面的晶片會燒壞。\n\n  \n\n使用說明\n\n接線方法如上圖：\n\n  \n\n出廠前我們調好了欠壓電壓，您也可以自己調節欠壓保護的值，順時針調節為增高欠壓的電壓值，也就是說順時針調節電位器，模組的靈敏度將提高，發貨前我們都調節好了，建議買家有電壓表才調。\n\n  \n\n調節方法（調電位器順時針：降低報警電壓，逆時針：調高報警電壓）：\n\n  \n\n12V電池：模組輸入12V時，把LM358的第2腳和第4腳之間的電壓調節到6.05V左右時，模組的報警電壓就是10.4V(發貨前我們調節好了）。順時針調節，2和4腳的電壓降低，靈敏度升高。","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":1}