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/diy/ - Do It Yourself


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1668105 No.1668105 [Reply] [Original]

So i have recently purchased a 12v mini water pump, and I was going to use a solar panel to power it, but when I was doing my research, I have realized that I know nothing about using solar panels. Seems like I will need switches/regulators etc... Could you help me out? What should I buy to run my pump efficiently? Here is some info about the pump:

Rated voltage: DC12V
Service voltage: DC5V~DC12V
Working current: 1050Ma±10%

>> No.1668111

bump

>> No.1668112

>>1668105
>efficiently
Line voltage transformer and power cord

>> No.1668120

>>1668112
the problem is that I have no idea what to search for. What specifications should it have? Sorry but I have very little knowledge on this topic

>> No.1668145

Can I ask what's is the endgame here? Seems a bit overkill to invest a few hundred bucks to run a shitty water fountain pump.

anyways here to get you started of: https://www.youtube.com/watch?v=lB8q20QX6bA

>> No.1668150

>>1668105
You need a solar panel, MPPT charge controller and a lead acid AGM deep cycling battery
the water pump will connect to the charge controller along with the solar panel/s and the battery
if you are a tyrone on welfare you can use PWM charge controller and a old car battery but do NOT deep cycle it

>> No.1668229

You need - 100w panel - Deep cycle 12v battery - Charge controller - 12v to 110v inverter if running ac voltage.

>> No.1668236

Why the fuck would he need a battery? The only reason a battery is needed is for continuous operation, and it's a water pump. Just use a 12v 100w panel and a 12v charge controller, and the output goes to the pump.

It will only run when the panel has enough output to power it.

>> No.1668237

>>1668236
>It will only run when the panel has enough output to power it.

That's why you need a battery. The battery runs the pump and the panel charges the battery when it's in sunlight. After all, what are you going to do on a cloudy day or at night?

The problem, as always, is it's a terribly convoluted setup and rather expensive.

>> No.1668240

Buy a solar powered fountain pump.
Made in china 50$. Save time and momeys

>> No.1668241

Buy a solar powered fountain pump.
Made in china 50$. Save time and moneys

>> No.1669080

Bump for about 100 foot long 20 foot head discharge. What the shit do i meed to pump w wa ter 24/7 in north Oklahoma

>> No.1670728

>>1669080
>Bump for about 100 foot long 20 foot head discharge. What the shit do i meed to pump w wa ter 24/7 in north Oklahoma


who said it had to be all day? will you not have some sort of float or timer? no limit switch to keep it from overflowing? if not, multiple lead acid batteries and a decently sized solar panels will do the job

>> No.1670823

solar power installer here.
how many hours per day you plan to run that pump?

>> No.1670843

>>1668105
>Rated voltage: DC12V
>Service voltage: DC5V~DC12V
>Working current: 1050Ma±10%
You need a 12 volt - 15 watt panel

>> No.1670899

>>1668105
If its a 12v pump just get a regular solar panel and directly connect it. Check the output rating of the solar panel and line it up with the necessary inout for the pump, solar panels provide dc power so no weird shit necessary, unless you want battery backup

>> No.1670932

>>1668236
It will kill the PV without the battery.

>> No.1670950

>>1670932
>It will kill the PV without the battery.
and why is that?
a battery is a load
a pump is a load
your post is a load

>> No.1671675

A simple motor like that shouldn’t need a constant current driver but you may need a voltage buck since 12 volt panels are 18-19 volts and sometimes higher when it’s cold. 20-30 watts should do. You want a little extra for cloudy days and evenings plus non ideal angles.