2000 Watt Sump Pump Battery Backup System, Pure Sine Wave Output, Professional Backup System in The Event of a Power Outage, Remote Controller with LCD Screen, Automatic Grid and Battery

The VIOPUMPO 2000 Watt Sump Pump Battery Backup System is a dedicated 12V power inverter engineered to keep basement drainage pumps operational during storms and electrical grid failures. A sudden storm that knocks out power can quickly lead to basement flooding if primary pumps stop running. This unit addresses that vulnerability by continuously monitoring power lines and automatically switching over to connected 12V battery reserves the moment a grid blackout occurs, helping homeowners keep their basements dry around the clock.

At the center of the unit is a 2000-watt power stage that produces a pure sine wave output with a 25A working current. Clean sine wave electricity is crucial for motor-driven equipment like drainage pumps, allowing them to start smoothly and operate efficiently without electrical hum or excess heat. The front panel includes three grounded AC outlets, which allows you to run multiple sump pumps at the same time if your basin setup uses redundant hardware. In addition to AC power, the unit integrates a 5V/3.1A USB port and a 30W Type-C port, providing convenient charging options for smaller electronics nearby.

System monitoring and battery maintenance are handled through thoughtful hardware controls. An included remote controller features a high-definition LCD screen that displays real-time voltage, output power, and battery charge status from a convenient vantage point. For battery management, the unit offers an adjustable input voltage setting between 9.5V and 11V. This fine-tuning protects battery health, cuts standby drain, and extends the overall service life of modern lithium batteries. For system safety, the inverter houses an internal cooling system, a self-recovery overload protector, and active defenses against low voltage, overcharging, overheating, and short circuits.

There are a few clear trade-offs to keep in mind before setting up the unit. First, this product is solely the power inverter and control interface; you must purchase compatible 12V storage batteries on your own. Second, while the adjustable 9.5V to 11V input is a valuable feature for lithium battery setups, the manufacturer specifies that you must adjust this voltage setting only when the inverter is completely turned off. Finally, the unit uses side mounting holes for flat or wall mounting, so you will need to plan adequate wall or shelf space near your sump basin.

Verdict: The VIOPUMPO 2000W system is an excellent choice for homeowners seeking automated, multi-pump blackout protection with clean pure sine wave power and remote LCD tracking. If you already have or plan to purchase a 12V battery bank, this unit provides the essential switching and electrical safety needed to safeguard your basement.

• Continuous Power Output: 2000 Watts
• Waveform: Pure sine wave
• System Input Voltage: 12V DC
• Adjustable Input Voltage Range: 9.5V to 11V
• Working Current: 25A
• AC Outlets: 3 grounded AC ports
• DC Output Ports: 1 USB port (5V/3.1A), 1 Type-C port (30W)
• Display: Remote controller with high-definition LCD screen
• Mounting Support: Flat surface or wall mount via side fixing holes
• Protection Systems: Overload (self-recovery), short-circuit, low-voltage, overcharge, overheating, built-in cooling
• Included Accessories: Inverter, AC and DC cables, remote control, user manual
• Warranty: 12 months

A great fit if you:

• Need an automatic backup system that instantly transfers sump pumps from household grid power to battery reserves during outages.
• Run two or three pumps in your basement pit and require multiple grounded AC outlets with 25A capacity.
• Plan to use lithium batteries and want an adjustable 9.5V to 11V input cutoff to protect battery health.
• Prefer checking power draw, operating voltage, and battery charge levels from an LCD remote rather than crouching by the unit.

Consider something else if you:

• Want a self-contained, all-in-one backup package that already includes internal storage batteries out of the box.
• Need a direct plug-and-play solution without assembling AC and DC power cables together.

Confirm on the listing:

• Check whether your chosen 12V battery chemistry matches the inverter input requirements and budget for that separate battery purchase.
• Measure your installation area to decide whether the side fixing holes will be mounted flat on a shelf or vertically on a wall.
• Review the total wattage and starting amperage of your existing sump pumps to verify they remain within the 2000W and 25A rating.
• Check that the included AC and DC cables provide sufficient length for your specific basin and battery layout.

How to compare your options: Focus on waveform type, continuous power ratings, and battery versatility when evaluating backup inverters. This model provides pure sine wave electricity, which runs pump motors smoothly, and features an adjustable 9.5V to 11V input that works well with lithium storage banks. Look closely at how many AC plugs each option provides if you plan to operate multiple pumps simultaneously.

• Read the included user manual thoroughly before connecting your AC and DC cables to ensure all connections are properly secured.
• Always power down the inverter completely before attempting to adjust the input voltage dial between 9.5V and 11V for your battery chemistry.
• Mount the chassis securely to a flat tabletop or a sturdy wall using the built-in side fixing holes to keep it stable during operation.
• Ensure the built-in cooling system vents have clear airflow around the unit to prevent overheating during extended power outages.
• Place the high-definition LCD remote controller in an easily visible spot to routinely monitor voltage readings and battery charge levels.
• Save the manufacturer contact email and documentation in your records to easily access the 12-month product warranty if questions arise.

Does this backup system include a battery?
No, batteries are not included with the system. You must purchase a compatible 12V battery separately to supply emergency backup power.

How does the automatic transfer work during a power outage?
The system connects to both grid power and your battery bank. When a power failure occurs, the unit automatically switches to battery power to keep your sump pumps running without manual intervention.

Can this inverter run more than one pump at a time?
Yes, the inverter provides three grounded AC outlets and a 25A working current, allowing it to power multiple sump pumps simultaneously up to its 2000-watt capacity.

Why does the unit feature an adjustable input voltage function?
The adjustable 9.5V to 11V input range helps optimize operation for lithium batteries. It reduces idle battery consumption, protects long-term cell health, and extends operating life.

What extra ports are available besides the three AC outlets?
The unit includes a built-in 5V/3.1A USB port and a 30W Type-C port, allowing you to power or charge additional small appliances and mobile devices.