It pumps 2500 GPH at 0 feet lift and 1730 GPH at 10 feet lift. It is your best solution to keep floods from happening even when the power is out, when the main pump or float fails, and even benefit from extra pumping capacity when the situation asks for it as it provides up to 60 hours of battery life, incommensurably more than its competitors.
Battery compatibility: Any maintenance or maintenance-free AGM battery.
Basement Watchdog BWSP 1730 Specifications: