Where do I find a laptop charging tip for my laptop?

There are many suppliers of laptop charging tips. We offer 9 of the most popular tips on the market, however we understand this does not cover all laptops. Additional tips to cover a wider range of laptops can be purchased on Amazon, as an example: https://www.amazon.com/Newest-Version-SoulBay%C2%AE-Notebook-Universal/dp/B017ER74M8/ref=sr_1_2?s=electronics&ie=UTF8&qid=1462381824&sr=1-2&keywords=laptop+tips