The charge in your laptop battery determines how mobile you are. Any battery wears out with usage and time and each charge will have a smaller run-time over time. The average lifetime of laptop battery is about 2 years but it often happens so that the battery is off much earlier. If you don't want to be left with laptop that doesn't work because its battery is over, you'd better have at least one more replacement battery for your laptop. It's especially important for those who are out on the road. We offer you a full range of notebook and laptop batteries which have proved to be reliable. Laptop batteries come in different configurations and voltages, in many sizes and shapes and replacement laptop battery should be compatible with your laptop specific model. Use our parts locator tool to avoid problems and ensure compatibility of the battery with your model.