BESTEK 300W Pure Sine Wave Car Inverter 12V to 230V/240V with Dual 4.8A USB Ports Portable Power Adapter for Vehicle Travel Outdoor Use

Pure Sine Wave Advantages

Modified Sine Waves (MSW) are not smooth or continuous—they feature steep crests, sharp plateaus, and sudden troughs, which is why they are also called "Square Waves". In contrast, Pure Sine Waves have a smooth, steady, and flowing waveform. This ensures your devices run more smoothly, stay cooler, operate quieter, and avoid damage caused by the sharp on/off voltage fluctuations of MSWs.

Wide Application

With a compact size similar to an iPhone, this inverter fits easily under car seats, in center consoles, glove boxes, or vehicle trunks. It is perfect for compact cars, motorcycles, boats, and any other places where space is limited.
The Pure Sine Wave design provides safe, stable power for larger appliances, including computers, laptops, TVs, mini fridges, game consoles, and more. Equipped with dual 4.8A smart USB ports, it also efficiently charges all your mobile devices, such as iPhones, tablets, wearables, iPads, cameras, GoPros, smartphones, FRS radios, and GPS devices.

Product Specifications

Power (1 AC Outlet): 300W Rated, 360W Max, 700W Peak
Input Voltage: 12V DC
Output Voltage: 220V~240V
Dual USB Port Output: DC 5V, 4.2A Rated, 4.8A Max (Auto 0~2.4A per port)
Indicator Lights: Green = Working Normally, Red = Shutdown Protection
Over Voltage Shutdown: DC 15V-16V
Low Voltage Shutdown: DC 10V-11V

Usage Guidelines & Precautions

For DC 12V use only; not compatible with DC 24V vehicles or airplane use.
Do not leave the inverter turned on when your car is shut off.
If the rated input of any connected AC device exceeds 150W, use battery clamps to connect directly to your vehicle’s battery—most vehicle 12V ports are rated and fused for 150W maximum.
Caution: Not suitable for high-power electrical devices such as hair dryers, electric heaters, and curling irons.

Package List

1 x 300W Power Inverter
1 x User Manual