Laptop Charger 65W watt Small Round tip AC Power Adapter for Lenovo Yoga ideapad Flex4

hello everyone today I'm going to show you how to power a Lenovo IdeaPad yoga laptop from a DC power source this is my new 13-inch yoga and it is a pretty pretty sweet laptop I really like it because of the flexibility of the LCD panel it's got a few different modes that you can use the laptop in this is the tenth mode you saw the traditional mode and then it collapses all the way to form sort of a tablet mode there which is real nice but anyways one of the I guess you could say quirks about this laptop is the power so the power tip that the lenovo designed for it let me we grab the power tip for you guys and I'll show you how how the power tip is designed you see it's this yellow sort of rectangular tip with a small pin in the center and this can be a little problematic because the external battery packs that you buy for laptops for example here I have an anchor Astro Pro mm this is a