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Sump Pump with Battery Backup– What You Need To Know

If you have a basement, you probably have a sump pump. But does your sump pump have a battery back up?

Battery backup sump pumps are used to supplement the primary pumps, which may fail due to power outages, mechanical failure, or simply by being overwhelmed by a sudden surge of water due to rapid spring thaws or flash flooding. So, if the power goes out, or the motor overheats, you could get a nasty surprise. But with a battery backup sump pump, you get several more hours of additional protection from water damage.


There are two main types of sump pump: AC and DC. Units that run on DC power exclusively will only run on battery, and hence are good as a secondary pump system that will run without power. An AC unit is more flexible, because it only draws battery power when the power is out. These are a much better choice for a primary unit.

There’s also a choice to be made in regards to battery backup systems. Deep-cycle marine batteries are maintenance free, though a bit more expensive. Traditional batteries with acid, mean that you have to add water occasionally.

Ways to Set Up Your Backup Pump

It depends on your particular situation, but there are a few ways to set up your sump pump with battery backup to get the most protection. The standard setup is just to have the backup sump switch on whenever the power goes out.

But you could also install a float switch, slightly above your main unit, to kick the backup on. This ensures that in a sudden rainstorm or rapid snow melt your main unit won’t be overpowered, and you’ll get double the pumping action when you need it most.

And finally, if you travel, or live in an area that experiences long-term blackouts, you can get a system that will send a text or email alert when the power goes out. Remember, you only have a few hours of battery life in a backup sump pump, so if the power is out for more than a few hours, you might experience flooding anyway, unless you can get a generator on site in time. These systems are pricey, but if you’ve spent a lot of money fixing up your basement, it might be worthwhile.

Whether you need a plumber in Alexandria VA or in Rockville MD, My Plumber has you covered. My Plumber can help advise you on the best choice of sump pump with battery backup and do a hassle-free installation for years of worry-free service. Call today to learn about our $35 savings!

Call us at: (844) 294-8999!

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