MSRP $37.00....About this item Powerful Performance: Provides a continuous output of 300W and peaks at 4000W, making it suitable for charging multiple devices simultaneously while ensuring efficient energy use. Quick Charging Capability: Equipped with dual USB ports, this inverter allows for fast charging of mobile devices, laptops, and other electronics, perfect for on-the-go power needs. Safety First Design: Features multiple protection mechanisms including overload, overcurrent, and short circuit protection, ensuring safe operation during use. User-Friendly LED Display: An easy-to-read LED display provides real-time information on battery input voltage and output voltage, allowing for informed usage. Compact and Lightweight: Designed for portability, this inverter is suitable for vacations, camping, and business trips, offering power solutions wherever you go.