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mikedeluco

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Posts: 3
Reply with quote  #1 
This is my first setup and all this is new to me.I have a chance to purchase a Hanwha 330 W panel and a good price.Its called a utility grade panel and i cant find much info on what that means. Will it work with my setup? I have a 12V 100 AH battery with a 20amp charge controller and 1000 W inverter. Thanks 00p0p_jmLq4hs0HBv_600x450.jpg

Rsbhunter

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Posts: 8
Reply with quote  #2 
What determines the outcome of this is the type (mpp or pwm) of charge controller. You can't put 36 volt into a 12 volt battery unless you have a MPP charge controller. It needs to be a "system" that fits together, or you will fry your battery and charge controller....good luck and be careful...rsbhunter
Insolergy

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Posts: 6
Reply with quote  #3 
Solar consultants can help you with the best opinion. You can contact any solar solution provider and can discuss with them about your query. 
Rick H Parker

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Reply with quote  #4 
"Will it work with my setup? I have a 12V 100 AH battery with a 20amp charge controller and 1000 W inverter"

Would need to check it against the specs of the charge controller and inverter. 
We don't know what charge controller and inverter you have, so there is no way anyone could tell you if all your equipment will play well together.

You can't put 36 volt into a 12 volt battery unless you have a MPP charge controller.

Buzz ... dead wrong statement.

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
mikedeluco

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Posts: 3
Reply with quote  #5 
Thanks for the responses. My charge controller is a BESTEK 1000W Power Inverter Model Number: MRI10011-1   1000W, Max Power: 1200W, Peak Power: 2400W
• Input Voltage: DC 12V, Output Voltage: AC 110-120V
• Output Waveforms: Short-Wave, Switching Power: 85% above, Circuit Mode: P.W.M   My charge controller is a 20 amp MPPT 12v
Rsbhunter

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Posts: 8
Reply with quote  #6 
As to my reply, rich is correct, you can put 36v into a 12 volt battery, my mistake. Good luck with your solar set up, enjoy'....rsbhunter
Rick H Parker

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Reply with quote  #7 
"My charge controller is a BESTEK 1000W Power Inverter Model Number: MRI10011-1"

Charge controller and inverter are not the same thing.  The Bestek MRI10011-1 is just an inverter, it is not a combo charge controller/inverter.

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
stmbtwle

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Reply with quote  #8 
The inverter should be fine if it's a 12v inverter. Bear in mind though that at full power your battery will last less than an hour.

Of course you can put 40v into a 12v battery, just be sure to keep a SAFE DISTANCE away! In truth it depends on your charge controller.

First, read the specs on your charge controller. If the max input voltage is less than the Voc of your panel (47v), you'll have to get a different one. Period.

PWM controllers (assuming you can find one that will take the voltage) operate by "pulsing" the power from the panel to reduce the average voltage the battery sees (that's what Pulse Width Modulation stands for). The problem is that your solar panel will put out no more than about 9 amps. 9 amps x 14 volts is only 126 watts. A heck of a waste of power from your 330w panel.

MPPT controllers (Maximum Power Point Tracking) determine your panel's output and through some pretty fancy electronics reduce your 37 volts down to whatever the battery needs, while INCREASING the amperage, so you may get something closer to your 330 watts. (And you didn't believe in magic!)
The problem is that MPPT controllers are EXPENSIVE. An MPPT controller that will do what you want will probably cost you more than the rest of your system.

What I'd suggest you do is sell that panel to someone who can use it and buy one or two 120 watt, 12v panels which will probably work with the controller you already have (check the specs). I think you'll be money (and power) ahead.

https://www.solar-electric.com/learning-center/batteries-and-charging/solar-charge-controller-basics.html

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Willie, Tampa Bay
Rick H Parker

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Reply with quote  #9 
"As to my reply, rich is correct, you can put 36v into a 12 volt battery, my mistake."

What was wrong with the statement is: "unless you have a MPP charge controller."

One can charge a 12V battery with the correct PWM or MPPT charge controller.

Also, MPP is a brand name not a charge controller technology.




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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
Rsbhunter

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Posts: 8
Reply with quote  #10 
Again, I err. I meant to type MPPT , WHICH is a charge controller technology, maximum power point tracking. And although it is possible to use high wattage, high voltage modules to charge a lower voltage battery, there are better ways to utilize the power produced by the solar modules.....so, in effect, there really is different ways to reach the same result......there is a lot of info out there to help you in your project...rsbhunter
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