1. Multi-Function Inverter: This lithium battery inverter converts 18V-21V DC power to 220V AC, making it suitable for various outdoor applications and small household appliances. 2. Intelligent Fast Charging: Featuring a dual motor design, the inverter supports rapid charging, improving charging efficiency. 3. Safety Protection: Equipped with an upgraded smart chip, the inverter provides over-temperature protection and constant temperature charging. It includes eight built-in intelligent safety protection systems that automatically regulate current and voltage, enhancing electrical safety. 4. Heat Dissipation Design: The multi-function household transformer features a portable and compact design, ideal for outdoor use. Its convection heat dissipation design helps maintain a cool temperature during extended operation, ensuring safe performance. 5. Wide Application: Suitable for small appliances up to 120 watts, the inverter can power devices such as phones, laptops, digital products, small fans, LED lights, and more. Note: This product is designed for low-power electrical devices only. Power: 120W (peak power 300W) Input voltage: DC 18-21V Output voltage: 220V Quiescent current: 0.05A Frequency: 50Hz Ports: 2 USB + 1 Type-C + 1 AC 220V output socket Color: Red Material: ABS + Metal Package Contents: 1 x Inverter (batteries not included) 1 x English instruction manual Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.