That totally depends on which chainsaw you get. If you get a high quality one, it can last for a very long time. According to a study, a cordless chainsaw is a versatile power tool that can be used to tackle a variety of cutting applications. It can be used to cut wood and cut a tree. So a cordless chainsaw can come in handy to a wide range of projects. You can use it for pruning tall or tall trees. It can also be used to perform a number of tasks around the yard that would be very difficult otherwise. In addition, a cordless saw won't limit you to the range of your extension cord. So, a cordless chainsaw is quite beneficial indeed.