![]() They help prevent water flowing back into the main sump pump, as well as anti-corrosion and extra backup power protection in severe weather conditions. These sump pumps offer the total power protection especially when the flow of floodwater is too much for your main pump to handle.Ĭombination sump pumps provides high-power capability when either pump fails. However, a combination sump pump provides both primary pump and backup-power capacity all in one convenient, easy to use system. In which case will I need a combination sump pump?Ī battery backup sump pump or primary sump pump will equally provide power to keep your basement dry during a power outage.However, other batteries last between 10 to 12 hours depending on the volume of water it needs to pump. There are some batteries with up to 40 amps of power that may push out of water at the rate of 2000 GPH for up to two days or more. Most batteries on the battery backup pump will last depending on the size of the battery and the amps. How long will the battery backup last when charged for a single time?.The backup power can go into a reserve mode after an electrical charge, and this enables it to last for a very long time. Some of these batteries run on AC/DC current while some run on a DC current only. How Long Does a Battery Backup Sump Pump Last?Īlthough the backup duration solely depends on the type used, most battery back-up sump pump lasts for a very long time before they drain.This low-cost alternative is better than replacing the entire sump pump. Perfect for failed backup sump pump switches. ![]() Just insert the prong into the power outlet (as long as a three-prong power plug available).
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