Basement Watchdog Special Battery Backup Sump Pump
- 2,500 GPH at 0 ft lift, 1,730 GPH at 10 ft
- Battery backup system, battery sold separately
- Controller, charger, dual float switch, pump, battery box included
- Battery fluid sensor, warning control panel
- Copper-wound motor, thermoplastic housing, 0.25 hp
- 2 year warranty, 12 pounds
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A sensible backup pump for a basement that cannot flood when the power fails, with a control panel that explains each warning. The battery is sold separately, so plan on buying one.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B000VS5MMWCategory: Sump Pumps
Overview
Not a primary sump pump, the Basement Watchdog Special is a battery-powered backup that takes over when the main pump fails or the power goes out. A dual float switch triggers it, and a controller with charger tends the battery between events.
Peace of mind during storms is the reason to fit it: a separate float and pump run on battery when the main pump cannot. The battery itself is not included, and the narrow pump body suits small pits.
Who it's for
Homes in storm country with a finished basement get a second line of defense that runs without mains power. Shoppers replacing a worn primary pump need a standard sump pump instead.
Pros and cons
- Runs on battery during power cuts
- Dual float switch for reliability
- Control panel explains each warning
- Battery fluid level monitoring
- Battery sold separately
- Lower output than its title figure
- WiFi needs an add-on module
Performance notes
Pumping rate falls with lift height, which is why the listing gives one figure at zero lift and a lower one at ten feet. Run time depends on the battery you choose, since the controller only charges and monitors it.
Specifications
| Brand | Basement Watchdog |
|---|---|
| Dimensions & fit | |
| Maximum Lifting Height | 10 feet |
| Item Dimensions L X W X H | 9 x 5 x 7.63 inches |
| Item weight | 12 pounds |
| Capacity & performance | |
| Flow Rate | 2,500 GPH at 0 ft, 1,730 GPH at 10 ft |
| Power & efficiency | |
| Horsepower | 0.25 |
| Power Source | Battery powered, battery sold separately |
| Voltage | 100 volts |
| Construction & materials | |
| Material Type | Copper-wound motor, thermoplastic housing |
| Color | No Color |
| Included components | |
| Included Components | Controller, charger, dual float switch, pump, battery box |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 2 year |
| Other details | |
| Monitoring | Battery fluid level sensor, warning control panel |
| Switch type | Dual float switch |
| Item Type Name | The Basement Watchdog Special CONNECT® battery backup sump pump system |
Frequently asked questions
What battery does the Basement Watchdog Special need?
The listing does not name a battery type or size; it only notes the battery is sold separately and that a sensor monitors battery fluid levels.
Does the Basement Watchdog Special replace my main sump pump?
No. It is a battery backup system that works alongside a primary pump.
Will the Basement Watchdog pump fit a narrow sump pit?
The listing says the compact pump can be installed even in small or narrow sump pits.