【Essential Basement Flood Protection During Power Outages】:Keep your basement dry during heavy rain, storms, and unexpected blackouts. This 1500W sump pump battery backup system automatically switches from grid power to battery power, ensuring uninterrupted sump pump operation and continuous water removal. Ideal for homeowners in flood-prone areas and finished basements. 【Reliable Emergency Backup Power Solution (Battery Not Included)】: Acts as a dependable emergency backup source for primary sump pump systems. When utility power fails, it instantly transfers to 12V deep-cycle battery power (battery required, not included) and automatically recharges when power is restored. Compatible with LiFePO4, AGM, GEL, and Flooded deep-cycle batteries. 【Built-in 25A Smart Charger with Multi-Layer Protection】: Equipped with a high-efficiency 25A multi-stage charger to optimize battery performance and extend battery lifespan. Features overcharge, overload, short circuit, low voltage, and overheat protection to ensure safe operation during storm season and emergency situations. 【1500W Pure Sine Wave Output – Safe & Stable Performance】: Provides clean and stable pure sine wave power to run standard residential sump pumps smoothly while protecting sensitive components. Includes 3 AC outlets, USB port, and Type-C port to power essential devices during outages. 【LCD Remote Monitoring & Easy Installation】:Comes with a remote controller featuring an LCD display for real-time monitoring of battery voltage, load level, and operating mode. Supports wall mounting or flat placement with simple AC and DC connections. Trusted by homeowners, landlords, and property managers focused on home safety and emergency preparedness. 【WHAT YOU GET 】: Includes 1 × 1500W Pure Sine Wave Inverter (Battery Not Included), 1 Pair of Battery Cables, 1 × UPS Plug, and User Manual. Designed for long-term reliability and backed by a 12-month warranty with 24/7 professional customer support. Whether you're preparing for storm season or installing a basement flood protection system, our team is ready to provide real solutions whenever you need assistance. Why Choose Our OLTEANP Sump Pump Backup System?
Backup Power
It functions as a power inverter for many applications needing backup power, such as lights, cell phones, monitors, and other devices.

Continuous Power
It powers your primary sump pump with a pure sine wave voltage of 120 VAC, securing its continuous operation.

Dry Basements
In the event of a power loss, your sump pump will be powered by the primary backup power system.

25A Quick Charge
The 1500W OLTEANP sump pump battery backup system has a built-in 25A battery charger that supports fast charging for various battery types, including trickle charging.

Multifunction Applications
The sump pump backup power system also works as a power inverter for many applications requiring backup power. You can use it to operate various electric devices, including lights, mobile phones, monitors, and other equipment.

Excellent Performance:
Remote controller with LCD display
Six protection functions
Flexible installation method
Built-in cooling device
3AC outputs
5V/3.1AUSB port and 36w type-c port

Specifications:
Rated power: 1500W
Peak power: 3000W
Input voltage: DC12V/120V AC
Output voltage: 100V-120VAC
No-load current: 0.4A
Output frequency: 60Hz±0.5Hz
Output waveform: Pure Sine Wave
USB port:5V/3.1A
Type-C Port:36W
Charging current: 25A
Output current: Up to 16.6A
Input voltage range: 9-16V/120V AC±10%