{"type":"product","schema_version":"1.0","item_id":"101094970183","canonical_url":"https://tw.bid.yahoo.com/item/101094970183","title":"CN3791 MPPT太陽能電池板太陽能發電板鋰電池充電板模塊6V 9V 12V","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-23T13:40:39.652Z","current_price":139,"original_price":null,"stock_status":"low_stock","available_quantity":3,"sold_quantity":0,"seller":{"id":"Y0149357241","name":"自強電控企業社","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/38d8263d-ebdc-4bc9-8fe2-a27e603ce5d3.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/69966853-a377-44a7-8d9c-1b5439ffd100.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d933281e-21a5-46be-8b53-ef19d1a6b5f5.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b7bced5e-638e-4d0e-b8fa-3c9f737451c0.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/0706b555-fdb5-492b-9163-2aecc4e8d0ad.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null}],"description":"產品簡介\n\n這是用於單節鋰電池最大功率點跟蹤(MPPT)的太陽能充電器。能夠從太陽能電池板或其他光伏設備中獲取盡可能多的電能,並裝入可充電的鋰電池中。使用非常容易,只需將太陽能電池板插入太陽能充電器的一側,然後將電池插入另一側,就可以開始充電了!\n\n太陽能最大功率點跟蹤(MPPT)是為了確保光強度發生變化,光伏 電池輸出最大功率,以充分利用太陽能。通常,需要使用開關模式的DCDC轉換器來實現MPPT功能,保持輸出電壓和充電電流乘積最大化(輸出)。\n\n太陽能充電器的輸出旨在為單個聚合物鋰離子電池充電。負載應與電池並聯。每個太陽能充電器都配備有CN3791功率跟蹤電池充電電路,並預裝了四個2針JST/PH2.0連接器。預設情況下,我們為MPPT設置了保持電壓。因此我們有3個版本,輸入電壓分別為6V、9V、12V(對應太陽 能電池板的工作電壓6V/9V/12V),非常適合輸入電壓和電池電壓壓差較 大的應用。\n\n當輸入電源的電流輸出能力降低時,CN3791內部電路能夠自動跟蹤太陽能板的最大功率點,使用者不需要考慮最壞情況,可最大限度地利用太陽能板的輸出功率,非常適合利用太陽能板供電的應用。\n\n \n\n產品參數\n\n輸入電壓:根據太陽能板標稱電壓\n\n選擇對應模組(6V/9V/12V)\n\n介面:2pin PH2.0/JST\n\n充電電流可達2A\n\nPWM開關頻率:300KHz\n\n恒壓充電電壓:4.2V±1%\n\n恒流充電電流由外部電阻設置\n\n對深度放電的電池進行涓流充電\n\n自動再充電功能\n\n充電狀態和充電結束狀態指示\n\n軟啟動功能\n\n電池端過壓保護\n\n工作環境溫度:-40°C到+85°C\n\n大小:45×20×9.5mm","shipping_methods":[{"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","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092064025","category_name":"其他","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":"2092064025","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-2092064025-category.html"}],"view_count":1,"watch_count":1}