• [Independent lithium batteries are not sold with the product] Save your fish: Don't want to see your fish dying again, Upgrade air pump aquarium rejuvenate your fish and rejuvenate your pond, 2 CHARGING METHODS, Not only can it be powered by solar energy, but it can also be charged with a DC power
• long working time: Air mattress pump can work for 8-12 hours when fully charged. Portable air compressor high oxygen content, high air volume up to 0.9l/min, Professional manufacturers provide after-sales service
• Applicable space scenarios: Fish tank bubbler is small in size and low in noise, There are high gear, mid gear, low gear with 10 seconds on and 10 seconds off 3 different working modes for you to switch by pressing the button which can meet the oxygenation of various aquariums, fish tanks, pools, and ponds
• Warranty Tip: Fish tank air pump When dead or replaced, you must restart the pump, either by 1) plugging in the USB to charge for 5 seconds or 2) placing it in direct sunlight for a few minutes
• Safety of use: imported single-chip intelligent control, support constant voltage and constant current charging, overcharge and discharge protection, easily adjust the best angle to absorb solar energy, The products have been certified by expert institutions. You can buy with confidence and use them with peace of mind