NFESOLAR 15W Large Solar Pond Aerator, Solar Aerator for Ponds with 4400 mAh Battery Backup and 2 Air Outlets, Low Noise Solar Air Pump Outdoor for Koi Pond Fish Tank Hydroponics

☀️ Large Solar Aerator for Ponds: Powered by 15w solar panel, our solar pond aerator is wire-free and eco-friendly. There are 2 air outlets that can be connected, and the air flow rate is 1L per minute. It can provide sufficient oxygen for your outdoor pond or fish tank. ☀️ 3 Modes: Our upgraded solar air pump provides 3 working modes: strong bubble, soft bubble and circulation mode. You can choose the mode you need according to the size of the fish pond. And if there is no sun for several consecutive days, please switch the mode to circulation mode. ☀️ Work Day and Night: Built-in 4400 mAh rechargeable battery, the solar aerator can work up to 48 hours in strong bubble mode once fully charged, so it can run continuously on sunny days. ☀️ Low Noise: Our solar pond bubbler operates at noise levels as low as 50db, which will not cause disturbance to your family and fish. ☀️Easy to Use: Just connect the air pump to the solar panel and it can be installed anywhere outdoors. It uses low voltage batteries and is safe for all humans and wildlife