300w Portable Energy Storage power supply Portable battery bank for laptop Portable battery bank 12v LiFePO4 batteries using on Home emergency power supply, travel, Emergency relief, outdoor working Portable power station Portable generator Energy storage system solution LiFePO4 battery Portable Energy Storage Lithium Iron Phosphate battery and Portable Energy Storage etc. 1. Product description This product is a virtual charging product, which is suitable for applications such as the family's own power supply, travel, emergency rescue, and field work. 300w portable power station,5 in 1 portable power station,portable power station application.The product has AC (110V/220V: 330W), USB (QC3.0, Type-C), DC (DC5521: 12V/5A), cigarette lighter: 12V/10A) different port voltages, output 2W LED Illumination lamp and SOS alarm function, support 5W wireless charging function; the system is equipped with AC 15V/4A to charge the system,…