大家好。我正在用18650電池構建一個大型家用電池，並希望找到便宜的18650電池，我發現當筆記本電池失效時，某些電池仍處於良好狀態。我是一名移民，不熟悉回收舊電池。我請求你的幫助，以便你告訴我如何獲得大量包含18650電池的不同類型的電池。我可以購買它們，但我不知道如何找到它們。我只能從特斯拉找到新的。特斯拉電池非常昂貴。因此，我請求您幫助尋找舊的筆記本電池。謝謝先生們。
原諒我語言能力差。
Hello everyone. I am building a large home battery from 18650 cells and want to find a source of cheap 18650 cells. I have found that when laptop batteries fail, some of the cells are still in good condition. I am a migrant and new to recycling old batteries. I ask for your help so that you can tell me how to get a huge amount of different kinds of batteries that contain 18650 cells. I could buy them, but I don't know how to find them. I could only find new ones either from Tesla. Tesla batteries are very expensive. Therefore, I am asking for your help in finding old laptop batteries. Thank you gentlemen.
Forgive me for my poor language skills.
