Solar Powered Oxygen Pump With Led Display For Outdoor Emergency Oxygen Pump yy-zy08
Work instructions: The power-on LED displays the remaining battery power, divided into 5 levels, and the last LED flashes when the battery is low (3.2V).
Method 1: Solar panel charging. Charging time: 15H
Method 2: USB charging (1A charging) Charging time: 5H
Charging indication: During the charging process, the LED flow light indicates charging, and the 5 LEDs will all light up after being fully charged.