Best Battery Sump Pumps

Superior Pump 92911 1/2 HP Cast Iron Primary Sump Pump and Backup Pump Kit , Black

Primary pump-pumps up to 4200 gallons per hour, pumps water up to 25 vertical feet.
Pre-assembled kit: Primary pump model 92511 cast iron sump pump and 12V DC backup pump.
Kit includes 87 decibel alarm, electronic control panel with indicator lights, battery box, mounting hardware, 2 AMP DC charger (12 volt deep cycle battery not included).
Vertical float switch on primary and backup pumps.

LESS WORRY & MORE FUN – Monitor your pump from anywhere via Wi-Fi smartphone app – no need to rush to the basement to check on it.
SAVE ON ELECTRIC BILL – Why Is Your Sump Pump Endlessly Running? – Get the WiFi sump pump alarm and prevent the pump burnout when the float switch is stuck in “On” position or pump is obstructed.
KEEP YOUR BASEMENT DRY – Get push notification alerts if there is a power outage or pump failure.
DETECT & PREVENT COSTLY PUMP DAMAGE – The pump protector extends your sump pump life by sensing unusual load on the pump motor and stopping the pump before an expensive breakdown happens.
WIDE RANGE OF APPLICATIONS – It works great with any 1/6HP to 1HP 125VAC sump pumps, submersible pumps, sewage/effluent pumps, utility pumps, water well pumps etc.

Compatible with sump pumps with 1-1/4 inch FNPT or 1-1/2 FNPT discharge. Not compatible with garden hose fittings..
Includes 24-foot corrugated polyethylene hose, ABS thread x barbed adapter and galvanized steel clamp.
Ideal for discharging water out of basement sump to a safe location outside of the home.
Can be attached to pump for emergency applications.

...hat'll last for a long time. The use of stainless steel hose clamps prevents rust and corrosion for a secure, leak-proof connection..
PRE-DRILLED WEEP HOLE: The pre-drilled weep hole of our pump sump check valve eliminates the air lock that may occur in bottom suction pumps. Our “full-flow” check valves prevent the water that remains in the sump discharge pipe from falling back into the sump pit. This avoids pumping of the same water twice, extending the life of your pump..
WHY PUMPSPY: The United States is home to PumpSpy's assembly facility. Our pumps are designed to be highly durable and provide dependable usage over many years. Our products are shielded from rust, corrosion, and leakage as we've designed our sump pumps to get the most out of your pump's performance..

CUTTING-EDGE TECHNOLOGY: The Primary Sump Pump Backup Power System provides overcharge prevention. Once fully charged, the battery is maintained with a “trickle charge” to ensure it remains fully powered and ready for use. This item also includes a smart cooling feature for enhanced safety and extended life expectancy..
HIGH PERFORMANCE: Never again worry about your basement during power outages! Our efficient backup unit generates a Pure Sine Wave 120 VAC voltage that is cleaner, quieter, and more stable. It has a 2000 Watt output and can power two primary sump pumps simultaneously with a combined current draw not exceeding 16.6 Amps..
EXCELLENT RELIABILITY: The Primary Sump Pump Backup Power System safely and effectively powers your sump pump during a power outage. When the AC power fails, it switches to battery power and instantly recharges when the power comes back on. For convenience, it has two grounded outlets and a USB Charge Port..
STURDY CONSTRUCTION: We build our items to last and take great pride in our product’s quality. This item is assembled, tested, and packaged in Kalamazoo, Michigan, with both domestic and imported parts that are CE-certified for electrical safety compliance. It measures 17.5 x 6.75 x 4 inches and weighs 10.5 pou....

Automatically switches over to battery power when AC power goes out. The PumpSpy 75 Ah Deep Cycle AGM Battery (not included) is recommended.
Generates a Pure Sine Wave 120 VAC voltage to reliably power your primary sump pump.
Automatically recharges a battery When AC Power is restored with a powerful 10 Amp built-in charger.
1500 Watt output is enough to power two primary sump pumps simultaneously (with a combined Amp draw not exceeding 12.5).
Can be used as a power inverter for many applications requiring backup power.

Compatible with any Basement Watchdog battery backup sump pump system.
Pumps intermittently for days to help protect your basement.
Provides longer run times than the Basement Watchdog Emergency Standby Battery (model 24EP6).
Accommodates the Basement Watchdog fluid sensor to sound an alarm when distilled water is needed.
Shipped without battery fluid to remain fresh until activated.

Large floats detect 1/4 in. water level rises, automatically activating the sump pump.
Second float provides additional protection to ensure automatic pump activation.
Protective float switch cage helps keep debris and wires from interfering with float movement.
vented, curved bottom reduces debris build-up under the float.
Allows the sump pump to run for an additional 10 seconds to drain excess water from the sump pit.