LED’s monitor battery condition, warn of reverse connection and faulty battery. Sounds warning alarm when back-up pump is activated, with alarm light. Maintains constant battery charge. Separate pump test and reset button. The PONI can operate up to 8 hours continuously or 24 hours intermittently (depending on battery type and condition). The PONI can be easily adapted to existing submersible or pedestal sump pumps with special adapter tee. System includes: pump with built-in check valve, 1 1/4 X 1 1/2 inch adapter tee, battery box and control panel (battery not included).