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Solar Charge Controller | What is it and How it works in a Solar Power System

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Shop solar charge controllers at altE: https://www.altestore.com/store/Charge-Controllers/Solar-Charge-Controllers/c892/
Find out the basics of a solar charge controller, what it does, how it works, and how to select the correct size for an off grid solar power system. A charge controller is an important component in a battery based solar system and are not used in straight grid tie systems. The primary role is to manage charging the battery bank, prevent it from overcharging and many control the rate of the current and voltage at which it charges.

We’ll cover related topics such as Bulk Charging, Absorption, Equalization, Float, Low Voltage Disconnect, PWM and MPPT types of charge controllers.

Shop solar charge controllers at altE: http://www.altestore.com/store/Charge-Controllers/Solar-Charge-Controllers/c892/

Learn more about solar charge controllers here: http://www.altestore.com/store/info/solar-charge-controller/

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7 Comments on "Solar Charge Controller | What is it and How it works in a Solar Power System"

  1. june 23 says:

    thanks for this!!! now i know the difference between charge controllers!!! great help!! i will go to mppt charge controllers!!

  2. +altE I must say this is a fantastic video and an eye opener for me. I currently use twelve 130W solar panels on a 12V inverter system. The solar panels are connected in 2 different arrays with each array connected to its own PWM solar controller and then to a 12V battery bank. The solar controllers are each 12/24V 60A . Now I want to change my inverter to a 24V inverter, which means I would upgrade my battery bank to 24V. Since my solar controllers can handle 24V, how do I connect my solar panels to the charge controler. Do I need to increase the number of charge controllers? How will the modification affect the charging rate of my batteries, will it charge them faster or slower?

  3. +altE store thanks so much for the info,i would like to know what is the limit to the number of panels that i can connect in series for a 12v system so that i can have lots of charging current using an mppt.Can i have 114v into an mppt charging a 12v battery

  4. Chris DIYer says:

    Great video and presentation…I run the highest voltages possible on my arrays.

  5. thank you very much , i appreciate all your efforts ..
    knowlodge for knowlodge
    http://www.sultan.org

  6. I really need your help here. I have a small solar panel that I would like to use just to keep a charge on one 12 volt battery. I will give you all the information from the back of the panel, and hopefully you'll be able to tell me what type of controller I will need in order to use the panel. Panel Information: Zamp Solar Panel: Model # ZS-M-20Cell Type: Monocrystalline Peak power (Pmax): 20 WattPower Tolerance Range: (%) -3% to +5% Open Circuit Voltage / Voc (V): 21,0 Max Power Voltage / VMP (V) 17.5 Short Circuit Current / ISC (A) 1.23 Maximum Power Current / IMP (A) 1.14 Maximum System Voltage (V) 600 V DC Dimension (MM) 345*470*25

    Above Specification At Standard Test Conditions
    (STC) 1000W/m* , cell temperature 25*C,am1.5

    This is all of the information from the label on the panel. I'm sure this may help you to figure out what type of charge controller I need in order to put the solar panel to use. Thank you very much for your time, and all of your videos. I hope to learn from all of them.

  7. doesn't most panels these days have a blocking diode to prevent that reverse current flow at night?
    Also are there solar setups that use this reverse current flow to melt ice build up the the panels? in this case that blocking diode would have to be removed? what charge controllers have this function?
    can you talk about sometime the relationship between windturbine and charge controller like the midnite classic?
    thanks
    john

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