If you're looking to keep your Wi-Fi router running for an extended period of time, you'll want to consider investing in a battery backup. Battery backups can provide a temporary solution in case of an outage, or can run your router in case of a longer-term power outage. Depending on the model, battery backups can last anywhere from a few hours to several days. That said, it's important to keep in mind that a battery backup won't provide the same level of coverage as a full power supply. So if you're expecting to be able to use your router uninterrupted for an extended period of time, make sure to invest in a backup that has enough power to last. In short, battery backups are a great way to extend the life of your Wi-Fi router. And if you ever experience an extended power outage, they'll come in handy to keep your network running smoothly.