Does it come with a battery?

No. It runs from a separate 12V DC battery that you connect yourself. The built-in charger tops that battery up from the mains.

Will it run my sump pump?

It handles 1500W continuous and 3000W peak, which covers most household sump pumps. Check your pump's running and startup watts against those figures.

How fast does it switch to battery power?

The stated switching time is under 15 ms, fast enough that most pumps and electronics keep running through a brief outage.

Is the output safe for electronics?

Yes. It puts out a pure sine wave at 120V AC, the same waveform as wall power, so pumps, lights and sensitive devices run normally.

Can I use it for things other than a sump pump?

Yes. It is a general inverter for small appliances, security gear, backup lighting and office devices, and it has a 5V 2.1A USB port for charging.

What battery type and voltage does it need?

It is built for a 12V DC battery, charged at up to 15A with three-stage charging. Match the battery's capacity to how long you need the pump to run.

Where is the KFFKFF 1500W Sump Pump Backup System cheapest?

At Walmart, for $125.99, as of our latest check.

What do buyers say about the KFFKFF 1500W Sump Pump Backup System?

Rated 5 out of 5 from 1 ratings.

KFFKFF 1500W Sump Pump Backup System

Best price now

$125.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

KFFKFF 1500W Sump Pump Backup System

Best price now

$125.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $125.99 at Walmart on Nov 12.

Our take on the KFFKFF 1500W Sump Pump Backup System

This is a battery-backed inverter that keeps a sump pump running when the mains drops. It takes a 12V DC battery and puts out 120V AC as a pure sine wave, rated 1500W continuous and 3000W peak, with a switching time under 15 ms. It charges the battery with a 15A three-stage charger and shows status on an LCD. It suits homeowners who want a plug-and-play backup for a basement pump rather than a full standby generator. Against dedicated pump controllers it adds a 5V 2.1A USB port and wider use as a general inverter, but it is not a pump controller with float or alarm logic, and it needs a separate 12V battery.

Best forBasement sump pump backup powerHomes that lose mains power in stormsRunning small electronics or lights during outagesOwners who already have a 12V battery

Pros

Pure sine wave output, safe for pump motors and electronics
1500W continuous and 3000W peak covers most sump pumps
Switches over in under 15 ms
Built-in 15A three-stage battery charger
LCD shows operating status in real time
Plug-and-play three-prong connection with circuit breaker and switch

Cons

Battery is not included; you supply a 12V DC battery
Not a pump controller: no float switch, alarm or pump-cycle logic
Mains input is limited to 85-135V AC, 60 Hz
No stated runtime; depends on the battery you connect

KFFKFF 1500W Sump Pump Backup System prices at every store

WalmartNew
In stockSold by Tools & Hardware Shop USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$125.99Checked Nov 12
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About the KFFKFF 1500W Sump Pump Backup System

This is a battery backup system for sump pumps. It is a pure sine wave inverter with a built-in charger, and it supplies backup power to a sump pump when mains power is lost. It switches power in 15 ms or less.

Installation is plug and play. A three-prong connector means no additional wiring is needed. An integrated circuit breaker and an integrated switch let you disconnect power when necessary. Charging is 3-stage.

An LCD display shows voltage, power output, battery status, temperature and notifications in real time. Besides sump pumps, it can power home drainage systems, office devices, security setups or backup lighting.

Model: SGPC-1500W
Color: Black
Rated power: 1500W
Peak power: 3000W
Battery voltage: 12V DC
AC input: 85V-135V AC, 60Hz
Output voltage: 120V AC ±3%
Output frequency: 60Hz ±1
Output waveform: Pure sine wave
USB port: 5V, 2.1A
Charging current: 15A max
Charging voltage: 14.6V max; 13.6V float
Switching time: 15 ms or less
Working temp: -10°C to +50°C
Dimensions: 35.9 x 20.9 x 8.1
Net weight: 3.8
In the box: 1 backup system, 2 battery connection cables, 6 x 50A fuses, 1 power cord, 1 user manual

Specifications

color: BlackSource
Rated power: 1500WSource
Peak power: 3000WSource
Input voltage: Battery:12VDC Mains input:85V-135VAC 60HzSource
Output voltage

Questions and answers

Does it come with a battery?: No. It runs from a separate 12V DC battery that you connect yourself. The built-in charger tops that battery up from the mains.
Will it run my sump pump?: It handles 1500W continuous and 3000W peak, which covers most household sump pumps. Check your pump's running and startup watts against those figures.
How fast does it switch to battery power?: The stated switching time is under 15 ms, fast enough that most pumps and electronics keep running through a brief outage.
Is the output safe for electronics?: Yes. It puts out a pure sine wave at 120V AC, the same waveform as wall power, so pumps, lights and sensitive devices run normally.
Can I use it for things other than a sump pump?: Yes. It is a general inverter for small appliances, security gear, backup lighting and office devices, and it has a 5V 2.1A USB port for charging.
What battery type and voltage does it need?: It is built for a 12V DC battery, charged at up to 15A with three-stage charging. Match the battery's capacity to how long you need the pump to run.
Where is the KFFKFF 1500W Sump Pump Backup System cheapest?: At Walmart, for $125.99, as of our latest check.
What do buyers say about the KFFKFF 1500W Sump Pump Backup System?: Rated 5 out of 5 from 1 ratings.