How Long Does a Backup Sump Pump Battery Last? (w/ better solution)

We test how long a backup sump pump battery lasts during a power outage and show you the results! We also demonstrate Water Commander™, a more reliable backup sump pump system that runs on your home's city water pressure instead of batteries. https://www.watercommander.com

For our test, we headed over to Home Depot and bought their most popular backup sump pump system—the longest life wet-cell battery they had and also their most popular 1/3 HP backup sump pump. Every hour we recorded how fast the sump pump ran until the battery lost power. We were surprised by how quickly the battery went from seeming to have a full charge to being completely dead.

If you're concerned about your basement flooding due to a failed backup sump pump battery, check out Water Commander™—a backup sump pump that runs on your home's municipal water pressure. It doesn't use any batteries or electricity, but will maintain the same fast pumping speeds whenever needed. Water Commander™ high-performance model MG22 removes up to 1,800 GPH (gallons per hour), while our ultra-performance model MG36 removes up to 2,830 GPH. Learn more at https://www.watercommander.com.

0:00 Introduction
0:20 Backup Sump Pump Battery Test Setup
0:58 Battery Life Test Results
1:49 Alternate Backup System - Water Commander™