Before you charge your battery, you need to insert it into the back of your notebook computer. You have to make sure that it is placed in the correct place. And then you should plug the laptop adapter into a wall outlet. Next, you should connect the cable on the adapter to your portable computer. When the red LED light is on, your battery is charging now. You can click the battery icon on the desktop of your laptop to view the time to complete a full charge. When it is fully charged, the icon will display 100 percent. And the charge time will vary according to how many cells in the pack and the age of the battery. If your pack has more cells, you need a longer time to get a full charge.