Running a small submersible pump on battery power.


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Old 12-16-16, 12:33 PM
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Running a small submersible pump on battery power.

I have a project that requires a small water pump to be ran on some kind of battery power. I will be using a pump like this: Tetra Pond Statuary Pumps: Pond Water Pumps

How would I go about either modifying the cord or plugging into some kind of device/battery to make it work. It will only have to be able to run for about 4 to 5 hours. The pump will be in small glass bowl and the battery and cords would be hidden on the outside by some kind of decoration. Any suggestions would be appreciated.
 
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Old 12-16-16, 12:41 PM
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If you search around there are plenty of 12 volt pumps that will run directly from a car battery. Otherwise to use a 120V pump from a battery you will need to get an inverter. These are a common item that plugs in to the cigarette lighter in a car.
 
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Old 12-16-16, 01:19 PM
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I should have been more specific. There's no way I can hide a car battery on a table. I was looking for something way smaller. As for an inverter, I can't really bring a car inside.
 
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Old 12-17-16, 06:17 AM
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That pump is 120 volt 60 Hz AC. There are 120V battery backups available.
Which pump size do you want to use? Your link shows several sizes and wattages.
 
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Old 12-17-16, 06:53 AM
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I need to know the wattage of the pump.
HERE is a 120V UPS (Uninterruptible Power Supply) that will run 120V, six watts for about five hours.

Height 5.52inches, Width 9.98inches, Depth 4.13inches
You're not going to find a UPS much smaller than that.
APC makes an excellent UPS
 
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Old 12-17-16, 07:05 AM
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Use a little pump like this:

https://www.amazon.com/Yeeco-Electri...volt+pond+pump

You can run it off 4 D cells wired in series and it should run for at least 5 hours. Might be able to get away with C cells.
 
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Old 12-19-16, 06:41 AM
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I'm gonna try that pump and see how it goes. Thanks
 
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Old 12-19-16, 08:47 AM
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So if I get something like this: https://www.superbrightleds.com/more...Specifications It should have enough power and will last for the required time?
 
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Old 12-19-16, 09:01 AM
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If you get the D Cell version yes. Hard to tell if the connectors will mate as they don't give a lot of information, but it looks like they will.
 
 

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