BPI 300W Outdoor energy storage mobile power supply Product features 1. Bidirectional charging, supporting quick charging of Type-c and AC 2, the display can display watt-hour 3, DC can be continuously output 3USB 5, the sequence of light transformation (dark, light, SOS, flash) 6, 50HZ and 60HZ can be arbitrarily switched 7. The conversion rate is over 90%