OLTEANP 3500W Pure Sine Wave Inverter with Transfer Switch – 12V to 120V, 7000W Peak, RV & Off-Grid

Power you can rely on, wherever you go

The OLTEANP 3500W Pure Sine Wave Inverter with a built in transfer switch is designed for life on the move. It converts 12V DC from a battery into clean 120V AC power, making it a practical companion for RVs, trucks, and off grid cabins. Its rugged build and intelligent design aim to keep your essential devices running smoothly in environments where stable power matters most.

Why this inverter stands out

• 3500W continuous output with up to 7000W peak to handle startup surges and multiple devices.
• Built in auto transfer switch switches between battery power and shore power in roughly 12 milliseconds for seamless operation.
• Pure sine wave output ensures compatibility with sensitive electronics like laptops, TVs, and other daily tools.
• Remote LCD monitoring provides clear voltage and system status at a glance from a distance of up to 15 ft.
• 12V DC to 120V AC conversion without energy storage; battery not included, designed as a high capacity power converter.
• Comprehensive protections safeguard against overload, overheating, short circuit, over voltage, and low voltage.
• Includes essential accessories and is supported by professional help when you need it.

Smart, practical use cases

Whether you are cruising in an RV, working off grid, or operating a fleet vehicle, this inverter is built to support everyday needs without overcomplicating the setup. Its clean power and quick switching make it a flexible choice for dynamic environments.

• RV living: power a fridge, microwave, coffee maker, and entertainment devices with confidence.
• Off grid cabin: run common tools and devices without relying on a single battery configuration.
• Truck/overland use: maintain a stable AC supply while charging and operating multiple devices on the road.

What you get and important notes

• 1 × 3500W 12V power inverter
• Battery cables and user manual
• 12-month professional support with 24/7 customer service

Important: this unit does not store energy or charge a battery. It functions as a high capacity power converter that requires an external battery and appropriate safety practices for mobile and emergency power setups.