Features: Equipped with intelligent battery management system, efficient and reliable power conversion for devices. This power supply inverter builted in multiple protections, such as over voltage protections, over current and over temperature protections. Power by high performances battery, delivering stable and long terms power output. Builted in voltage changer allows for precise current conversion, while current display provide real-time monitoring of power usage. Support voltage ranges from 5V to 30V, suitable for various devices and appliances. Specifications: Component: Plastic Type: 1/2/3 Size: about 12x8x6cm/4.72x3.15x2.36inch Input voltage: 18V - 21V Output voltage: 180V-220V Output voltage: 5V±5% Voltage display: 5V-30V Power: ≤150W Package Includes: 1pc Battery Inverter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.