Reddit mentions of 20A Solar Charge Controller Solar Panel Battery Intelligent Regulator with Dual USB Port 12V/24V PWM Auto Paremeter Adjustable LCD Display
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Reddit mentions: 6
We found 6 Reddit mentions of 20A Solar Charge Controller Solar Panel Battery Intelligent Regulator with Dual USB Port 12V/24V PWM Auto Paremeter Adjustable LCD Display. Here are the top ones.
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- ☀☀☀20A Solar Charge controller : Binen solar charger controller are UL 1741 certified,the solar charger controller compatibility with 12V 24V system. Discharge Current: 10A,build-in industrial micro controller, automatically manage the working of solar panel and battery in solar system. Dual USB output 5V/2.5A (max), to support mobile phone chargeing.
- ☀☀☀Multiple Protection Functions: Binen solar controller has short-circuit protection, open-circuit protection,reverse protection, over-load protection. Fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery.
- ☀☀☀Battery Type: The charge regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL, it is not suited for nickel hydride, lithium, Liions, or other batteries. For protecting the lifespan of your battery, once the voltage of the battery drop below 8V, the solar controller will turn off automatically.
- ☀☀☀LCD Display: Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc.
- ☀☀☀Easy to Install and Operate: The charge controller should connect the battery first, then the solar panel, and finally the load! The disassembly sequence is contrary to the wiring order.Dual mosfet Reverse current protection, low heat production. ( Note: The charge controller will heat up when it is running. Please be careful to install the charger controller on a flat, well-ventilated place)
For a small system you want PWM. MPPT can give a bit more charge but for about the same money another panel will double the charging. On the other hand, if you have a 60 or 72 cell panel (high voltage) instead of 36 cells you need to get an MPPT controller.
The one I got was $12 and looks like:
The charging voltage can be set in 1 tenth volt increments. Due to the resistance of the wire to the battery you need to check the voltage at the battery and adjust the controller to get the battery voltage you want. More expensive controllers can't be set so you don't have to think about it. Set it to 14.2 volts in summer and 14.4 in winter and pretend it is expensive and don't give it another thought.
The instructions use the word "float" to mean constant voltage absorption level charge voltage. Set it to 13.8 volts to match the word "float" and your battery will be undercharged and die young.
Some more expensive controllers don't have the load output with the low voltage disconnect. That's good for low current lights and fans, not an inverter.
Just get this:
All you need after this is a battery and a solar panal. It's all on Amazon and there are lots of guides on setups.
You should probably get a cheap solar charge controller. They almost always have some USB ports for charging your phone or whatever.
LED light bulbs, that run at 5 volts, give you the biggest bang for the buck. example https://www.amazon.com/COOLEAD-Portable-Backpacking-Hurricane-Emergency/dp/B00RVGMKL8/
in terms of panels to power this, anything 10 watts and above, along with a battery. If it's a typical 12V or 24V panel, you'll need a charge controller https://www.amazon.com/Controller-Battery-Intelligent-Regulator-Adjustable/dp/B072MMDY4F
your solar charge controller should have a 12v or 24v output. usually the max on the chargers is 120w. each fan needs 15w.. so u could run a few...
but i would think of adding a battery, to help with keeping the voltage constant.
https://www.amazon.com/Controller-Battery-Intelligent-Regulator-Adjustable/dp/B072MMDY4F/ this one has a nice diagram
Yes that is a very good idea if you have the room for bringing it in. A small 12v like for motorcycles/lawn mowers would be fine if all you're doing is charging stuff. If it's going to take up valuable space, then skip it.
Or, you can even just hook it right up to your car battery. You'll have plenty of juice for the whole burn.
Here is the cheapest and most decent solar controller that will fit your needs:
actually now that I understand your setup, just hook the solar panel direct into that charge controller, and there you go, you're set. use the charge controller to hook into anything else, including a battery to keep charged if you like. they arte super easy to use, just hook the wires up and it knows what to do from there