VEVOR 1500W Sump Pump Battery Backup System, LCD Display, Auto Switches to Battery Inverter Power for Sump Pump, Pure Sine Wave, for Basement Protection Emergency Power Outage, Batteries Not Included

Grid Power (Utility Connected): ~10–20 Watts (runs the display, control board, and battery float charger). Battery Power (Outage / Pump Idle): ~10–15 Watts (~0.8–1.2A DC idle draw from the 12V battery).

This product is compatible with both lead-acid and LiFePO4 batteries and can charge them directly. To charge a 180Ah LiFePO4 battery, simply set the charging voltage to 14.6V.

The noise levels of both the 1500W and 2000W models are around 58 dB.

Hello, thank you for your inquiry. Yes, under normal operation, the inverter supplies 120V AC power to the connected sump pump through its output. In the event of a power outage, it automatically switches to battery power to keep the pump running. If this answer does not resolve your current issue, please contact us again for assistance.

Yes, the Vevor 2000‑W unit can plug into a 110‑volt 15‑amp circuit to back‑up your 3/4 HP sump pump. The pump’s current draw does not exceed 15 amps. If you connect additional appliances, a 20‑amp circuit is recommended.