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How to Use a Battery Backup Sump Pump


by DoItYourself Staff

what you'll need

  • Battery powered backup sump pump
  • Sump pump battery
  • Battery sump pump owner's manual
  • Basic electrical safety knowledge

A battery backup sump pump can be a lifesaver when your main AC powered sump pump breaks down or you are caught in the midst of a hurricane without electricity. It is just as powerful and effective as your main sump pump but turns on automatically when it is triggered under certain circumstances. Although it is just as powerful it is not recommended to use the battery operated sump pump as your main but only as a back-up as batteries only last so long until they need replacing. There are some proper steps to take when operating a battery sump pump backup.

Step 1- Know How the Backup Sump Pump is Powered

Battery backup sump pumps will be the backup to the main pump in the event the main pump breaks or can’t handle an increased amount of water. Most devices will be automatically turned on when triggered by specified situations. Older systems may not have this technological advancement. Check your owner’s manual to see if yours is automatic. If it’s not, learn how to turn it on.

The battery pumps can also be powered by AC while used as a supporting pump when the main is being overcome with water.  While it is running on AC power it should not discharge the battery.

Step 2- Electrical Safety

Don’t walk around on any wet floors without all power being turned off. You should call an electrician if your main power supply is in the basement with the wet floor.

Don’t let your sump pump become exposed to snow or rain.

When you remove the plug from the socket, tug on the plug and not the cord. Pulling on the cord can cause sparks. Avoid using extension cords. If you absolutely must use an extension, be sure it’s the same configuration as the plug to the sump pump.

Avoid using any attachments that are not recommended by the manufacturer of your sump pump. Using attachments not recommended may cause fire or shock.

If your sump pump has a computer control box, do not operate it if it has been damaged.

Don’t ever handle the control unit of your sump pump if your hands are wet as you run a risk of electrocution.

Be sure all plugs and the battery are disconnected and the power is completely off before cleaning and performing maintenance of your sump pump.

Step 3-Choose a Battery

Before letting the sump pump go on its own, it is vital to have a fully charged battery. A car or marine battery is not ideal as both of these batteries require occasional use to work when needed. The UltraSump battery does not need to be periodically run to ensure it will work when you need it most. This battery is freestanding and is designed to be left off for long periods of time without it causing any harm to the battery.

Step 4-Turn It On and Let It Go

As previously stated, new models of back up sump pumps will automatically turn on when the moisture level reaches a certain point.There is nothing you will need to do to. However, not all models contain this feature.  Some will alert you with a sound similar to a smoke detector. The alarm will go off when the moisture level reaches a certain point. This alarm is notifying you to turn the device on.

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