How To Test Sump Pump Battery. The charger is a 3 stage charger (or at least it has 3 different lights on it) and it’s consistently shown all three lights on which means the battery is fully charged. The largest manufacturer of battery backups recommends that you replace the battery with a new one every three years.
2 the benefit of using the pump sentry ; Inspect inside of the battery backup sump pump If your home has a basement sump pump, i recommend you test it regularly to ensure its proper operation.
Unplug both of them, and then plug in just the one going to the pump.
One is for the float switch, the other is for the motor. Unplug your main pump, and let the battery backup do its job. The backup pipe should be connected with the battery backup pump and then on a 45 degrees angle. In the end, connected with the main pipe with a y connector.