1. Two in one (18650 battery charger and smart mobile power), smart LCD display. 2. Each slot has a separate charging circuit and display that works independently. 3. Reverse polarity protection. 4. When charging the device, the LCD displays the output voltage and output current. When charging the battery, the LCD displays the input charging status. 5. When inputting and outputting at the same time, it will automatically charge the device first and then charge the battery. 6. Does not work, automatically turns off after 20 seconds, automatically turns on after charging, and automatically stops working after the output current is overcharged. 7. Press the backlight on/off for less than one second and turn the machine on/off for two seconds. 8. The maximum output current of the USB 1A output is limited to 1.5A, and the maximum output current of the USB 2A output is limited to 2.2A. 9. With dual output USB, both devices charge simultaneously. When outputting simultaneously, the total output current of the two USB ports is 2.2A. If the total output current is greater than 2.2A, the latest USB port will stop working.
