MEMKEY Tilting Version of Solar Air Pump, Solar Pool Pond Oxygen Aerator with Air Stone for Aquarium Ponds (Portable, 3 Working Modes)

General description The Tilting Version of Solar Air Pump is a versatile and eco-friendly solution for aerating aquariums, fish tanks, and ponds. It features three working modes, allowing you to choose between high speed, low speed, or a timed low-speed operation (10 seconds on/off). This portable pump can be powered by solar energy or charged via USB, making it ideal for outdoor activities. Technical specifications Type: Solar Air Pump Material: ABS Air Pump Type: DC Micro Air Pump Rated voltage: 3.0V Bath noise: less than 60dB Solar panel: 0.9W Solar panel voltage: 5V Solar panel charging time: 25 hours USB charging time: 5 hours Maximum air flow: 0.9L/min Minimum air flow: 0.5L/min Battery type: 18650 lithium battery Battery voltage/capacity: 3.7V / 3600mAH Working voltage range: 3.0V-4.25V Maximum working current: 150±10mA (high speed); 75±10mA (slow speed) Quiet current: less than 500µA Discharge protection voltage: 3.0V Charge protection voltage: 4.25V Size: 15 * 4.7 * 3.5 cm /