As well, your final price will depend on how complex the installation is. Battery Sump Pump Installation Montclair: If you are considering sump pump installation in Montclair, NJ, there are a few factors to consider. A battery-powered system can provide up to 18 hours of backup time. A properly installed one can be the difference between minor water damage and a major catastrophe. In addition, a properly installed sump can protect your home from a serious leak. This also allows you to get back to the more mundane parts of a basement renovation such as painting, refinishing the floor, and installing a new carpet. Finally, you will need to install the discharge line. Sump Pump Setup In Basement Montclair: If you are considering a basement renovation in Montclair, New Jersey, there are several steps you should take.