AllPondSolutions Aquarium Battery Back-up Air Pump for Fish Tank, Coldwater or Tropical, 2 Outlets Ultra Quiet Oxygen Pump, for a Fish Tank up to 120L

This pump has been running continuously since June 2021, I’ve had 6 power cuts in this time, the longest lasted 4 hours and the pump was still running strong.I am ordering another for my second tank,One draw back, the vibration is irritating but not loud enough to be heard over conversation or the tv, sit it on a piece of soft rubber and it’s barely noticeable at all.Overall, would recommend it as for the price gives plenty of puff and the added backup battery is a good peace of mind.

very good concept, air pump powerful enough for a sponge filter with battery backup in case the power goes out. this implementation is very noisy though, and definitely wont be used on the tank in my bedroom... not sure how long I will leave it on my tank in the living room for, its just too loud. will likely be replaced with something quieter and used only in case of emergency (as long as I'm home when the power goes out.....)

Extremely loud. Not even close to quiet

I bought this for my daughters outdoor tadpole experiment expecting to have it constantly powered.I was suprised to find it has a 500mah built in usb rechargeable battery which lasts about 10hrs if used on the rotation mode where it gives small blasts of air for about 15 secs then shuts off for about a minute then back on which is ideal for tadpoles as they dont like strong currents of waterIt has two air outlets so you could use it in a large tank and give it lots of air on the always on modeIt comes with a usb recharger too and has two air stones and quite long air hosesFor the price i was expecting a cheap product but the build quality is great and the pump is very quiet compared to traditional mains pumps this would be ideal for a bedroom and the battery backup is great incase you have a power cut or need to use it outdoors. I charge mine using a usb power bank and it works great!

I already run another brand on another tank but this one drowns out all the noise of all my other aquariums, filters, air pumps etc and competes with the TV!Makes a deep noisy rumble, I lasted a day and order another brand to replace with.

I ordered this item so I could leave it plugged in to run the air stones in my tank and know that at least there'd be some circulation/agitation if the power failed. It arrived just now and I set it up:- Seemed to need something connected to each output (not a huge deal, but a bit odd)- Ran one air stone well but struggled with two.- Very noisy, and even more so when plugged in.I'm not going to return this, it's cheap and the noise might be OK when it can live in a cupboard (my setup is temporary at the moment)... but within literally 5 minutes I swapped it out for a little USB air pump (one of the cylindrical ones with a clip - you'll find it on amazon) I already have and a rechargeable USB power bank. I liked the idea of a built in battery, but not enough to deal with the noise. I guess we'll see how that setup does over time.

This is my second air pump from this seller. ( same model, Got it in 2020. Still running ) It has 2 outlets, The switch has 3 settings OFF, ON all the time or 12 sec's ON --8 sec's OFF. You can charge and run it at the same time. Its quite. You can hear it. It's just a low hum. Comes with 2 air tubes 2 air stones and 2 non return valve's. I'm setting up a new tank with 2 air filters and an air stone. No problems.

Great back up oxgenator for your fish well made and good price and works well 👍

Hübsches Produkt und gute Idee - dafür sicher 5 Punkte!Warum aber wird ein Produkt nach Deutschland versandt mit englischem Netzstecker???Damit nicht zu gebrauchen wenn Akku leer!!! Dafür 0 Punkte!!