How To Make a Battery Backup Sump Pump

Last Updated on April 28, 2022 by Alexander A. Smith

A sump pump is a device that removes groundwater before it may cause damage to your home’s structure or overflow your basement. Sadly, power failures may emerge during large storms, preventing your sump pump from working properly. It’s for this reason that many households choose to have a sump pump battery backup device integrated into their houses. This post will demonstrate how to make a battery backup sump pump.

About Sump Pumps Powered by a Battery Backup

In the event that your main sump pump malfunctions because of electricity outages, mechanical problems, or excessive usage, a battery backup sump pump may provide several hours of extra defense against water damage.

To protect the pit from filling up during a rainstorm, the backup sump pump is activated. Using a backup pump, you can effectively increase your pumping capacity. If you’re traveling during a rainstorm and the electricity goes out, you deserve some peace of mind. In this post, we’ll show you how to back up your sump pump correctly.

Batteries for Sump Pump Backup

Batteries for Sump Pump Backup

DC (battery) and AC/DC battery backup sump pumps are the two kinds of standby sump pumps. Whenever the power goes out or the pump fails, battery backup solutions will convert to DC battery power. Pumps can be powered by AC wall current when the power is on, but this might deplete the battery. It is only possible to use DC-powered devices to charge the batteries.

Choosing the right battery for your sump pump isn’t always an easy decision. Wet cell (also known as “wet battery”) batteries and deep-cycle (“maintenance free”) batteries are both common in the maritime and solar markets. Automotive batteries with wet cells are the most prominent.

Because these batteries use lead cells, they must be replenished with pure distilled water from time-to-time. Because they are completely sealed, maintenance-free batteries may be left alone.

Including Just a Backup Power Supply

To power a battery backup, you’ll need to pick up a few items from the store. Obtain a battery, a battery cover, an AC/DC connector, a red and black battery cord.

The battery must be mounted on a wall near a power input. The charger and the pump cannot be used with extension cables. Instructions for mounting the case on the wall will be included in the package.

You’ll need to attach the battery wires to the port after you’ve installed it. The ON/OFF switch must be turned off. The negative charge is represented by the black box, while the positive charge is represented by the red box.

Power the battery and transform AC/DC via the interface. Ensure you connect your pump to the interface’s Ac source and your interface to an AC supply before starting. The Pump Sentry is a nice interface to purchase.

After that, verify whether the battery backup was implemented correctly by running a test. When there is a power failure, disconnect the interface from the Ac source and verify whether your sump activates.

Process of Adding a Battery Backup Sump Pump

Battery Backup Sump Pump

The addition of a battery backup pump requires more basin area, an additional discharge pipe, a check valve, and a float switch. Contact a professional to setup the battery backup if you have difficulty mounting the current sump pump.

Batteries for battery backup pumps are not usually included in the packaging. You’ll need to get a high-quality battery for your device. Make sure you acquire a decent one if you plan on using it in an emergency.

Creating a System for Discharge Pipelines

Consider where the discharge lines will be connected first. A smart idea is to buy a PVC pipe with an aperture for the standby pipe. Connection of the primary discharge line with the principal pump is mandatory.

The battery pump and backup hose must be at 45-degree angles to each other. At the very end, a Y-connector is used to link it to the primary pipe. Assure all check valves are installed below the 45 ° angle, as well as underneath the Y connection.

To prevent water from reentering the sump pumps, check valves have been installed on both sump pumps. With merely a check valve for the primary pipe, water will flow backward when the battery backup is operational.

Setting Up the Backup Battery System

You may now begin putting in the battery backup. The backup sump pump should be placed near the primary sump pump, but it should not contact. Linking the discharge lines is the next step.

The battery backup’s float switch should be placed above the primary pump. Decide at what point in time the battery backup should activate, and mark it on the water. To use, connect a discharge line to the float switch.

The battery backup adapter may be plugged in at this point. An ordinary charger will do in place of an interface in this instance. Then AC/DC conversion process is unnecessary.

Conducting a Test on the Setup

Once this is finished, unplug the main pump and examine the backup battery. Reaching the desired water level may need many buckets.

Battery replacement and routine maintenance are still required every three years. Even if your primary pump fails, your basements will be kept dry with this battery backup.

Battery Backup Sump Pump Installation

Conclusion

Your sump pump, like every other mechanical appliance in your house, could ultimately fail. In the long run, the sump pump’s moving components will age out or collapse and need replacing. Battery backup pumps and secondary sump pumps are the greatest safeguards against a sump pump failure, so make sure you have both on hand. Hopefully, you found this information on how to make a battery backup sump pump useful!

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