Its very easy just see the back side of your laptop and on battery there will be a number like this. There aways some text near the battery number like Product ID Model PN etc. If your computer will not turn on try looking on the outside of your computer for a printed label.
BattDepot Replacement Laptop Notebook Battery is manufactured to be compatible and optimized for Lenovo Yoga 720-13IKB.
Take off original battery from your laptop you can see the battery number on the laptop. You want to find model number of your Lenovo laptop. Enter the product name. If your computer will not turn on try looking on the outside of your computer for a printed label.
