5V Foldable Aquarium Fish Tank Solar Power Air Pump Oxygenator, US Plug, Solar Power Oxygenator

1. AC/DC oxygen pump, adopt pure copper movement and advanced single-chip intelligent control
2. Built-in 3.7V 2200mAh lithium battery, charging via USB interface
3. Constant voltage/current charging, over charge and over discharge protection, low battery alarm
4. Folding design to combine solar panel and pump in one, portable and low noise for use
5. No wiring needed, ensuring a quick and easy installation
6. Widely used for a variety of ornamental fish, aquarium, company aquarium, etc.
7. Especially great for power outage emergency, as well as oxygen pump for wild fishing, small amounts of aquatic transport
8. Solar Panel: 5V / 290mA
9. Charging Input: DC 5V / 1A
10. Air Pump: 1.8V / 150mA
11. Working Power Range: 3.2V-4.2V 90mA
12. Low Power Indication Voltage(flash in green): 3.3V
13. Full Power Indication Voltage(red): 4.0V
14. Over Charge Protection Voltage: 4.2V
15. Working time: approx. 20 hours with fully charged battery
16. Charging time: sunlight charge about 15 hours, USB AC charging for about 3 hours