Yes, many sump pumps can be equipped with a battery backup system, which will automatically activate in the event of a power outage to ensure continued pumping and protection against basement flooding.
Maintaining a sump pump involves periodically checking for signs of wear and tear, such as leaks or unusual noises. It is also important to make sure the sump basin and discharge line are clear of debris, and to periodically test the pump to ensure it is functioning properly.
Signs that your sump pump may need to be replaced include a significant increase in the frequency of operation, unusual noises, and a noticeable decrease in pumping capacity.