It was basically a choice between this system and a very similar system available on eBay. The eBay system boasted a 10 watt solar panel, but the motor only sported a total water lift height of 1.5 meters. This system boasts a water lift height of 2 meters. This was critically important, not because I need to lift water that height, but it indicates the power of the pump mechanism. My requirements were to lift water slightly over 1/2 meter, but this pump does a fantastic job on my water fountain. The water fountain I got from the local Lowe's came with an AC electric water pump. I ran it for a week with an extension cord on my patio, until this solar system arrived. The final destination for the water fountain was in the very rear of the back yard against the fence that separates our back yard from our neighbor's side yard. I was loathe to run electrical wire underground from the house to the location of the water fountain, hence the solar setup. I mounted the solar panel on top of the fence, hooked everything up and it was working within 1/2 an hour. This 12v pump at 55gph is just as powerful as the AC pump that came with the fountain. The battery seems to hold a charge that will allow the pump to run for a couple of hours before it runs out of juice. If you just let it charge for a couple of day, it'll run for many hours. Maybe at some point down the road, I might replace the battery with a larger wet-cell battery designed for a small ride-on tractor or a motorcycle so that the battery can supply juice longer to the motor. Otherwise, it works great.
I've had this for over 4 months now, and it is still working great. I used it to replace an electric pump in my fountain. My only beef is that I cannot get the pump to output anything higher than 12 inches, regardless of the hose diameter. Luckily, this works fine for my fountain, just hoped for a little more splash. Battery life is great, will run 6+ hours on a full charge on "automatic", but will run the battery all the way down, and the unit will not reset once it's charged again, so you are better off running it on the maximum "4hour" timer setting, so that it runs for those hours each day. I housed the battery under one of those sewer boxes, 6inch diameter, and the unit fits snugly at the bottom, and I placed it inside of a ziplock bag. I did this so that there was little chance of water getting into the unit/buttons, which I'm hoping will extend it's life, while providing an attractive cover for the unit that blends in with the landscape. Unit is well-made, comes with a filter for protecting the pump, and plenty of wire so that you can mount the solar panel far away and still have great results. I am overall very happy with my purchase!
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