NO BATTERY solar system. Under $100
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- Опубліковано 13 жов 2023
- Mppt Controller without Batteries
• Can a mppt Controller ...
CAUTION! this setup has not yet have a fuse. I would recommend putting a fuse on this system. Thanks
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Disclaimer: although this can work as as no battery solar system it is recommended that this unit is connected correctly as per manufacture specifications. Correct fusing is also recommended. Risk of fire or damage may result if incorrectly used
Showing you that you don’t expensive battery’s inverters or charge controllers to have a functional totally useable 12volt solar system.
Solar without a battery
I picked up those 2x 250watt panels for $10 each
I was lucky enough to build this system for under well under $100 aud
The best solar system
Simple diy power system
Solar Energy
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If you are shooting a video for UA-cam. I think using landscape orientation is much better than upright phone orientation. You kept panning left and right when you would have had it all in shot in standard landscape. I'm watching it on a TV and it looks bad. I couldn't get to appreciate the content.
The whole point of a battery is to let you charge it while the sun shines and use the power when the sun doesn't shine.
CAUTION! this setup has not yet have a fuse. I would recommend putting a fuse on this system. Always take caution when working with electricity. High voltage can be deadly. Thanks
As someones who's hobbie is making solar set ups and building batteries this is a fantastic idea for someone to start out on the cheap and build on it later. I would have never thought of it well done.
So you show your "no battery" system using an expensive battery? WTF?
Those are some cool ideas, but why not just use a cheap PWM controller, which has the built option for running 12v loads? That's just as cheap as the buck converter, just as capable and configurable, but you get the built-in safety of a proper charge controller. Boost/buck converters have their place, but it's a false economy to use them in place of an inexpensive charge controller.
You need to be very cautious when switching high current DC, as you can start a DC ark at currents above 5 Amps. This ark, like a welders ark, can be impossible to stop and can destroy switching circuits designed for AC operation and start a fire ! It is the reason the shut down procedure on solar grid installations say to switch off the grid power ( mains feed ) first, to reduce ( stop ) the solar panel feed curent, then switch off the DC from the panels, so the low current does not create a DC ark in the DC switch.
Confusing..... Complicated.
I just got an Ecoflow Powerstream 800w micro inverter, no batteries but puts the power direct into your home via a socket and reduces usage by the solar power going in. Currently got 2 x 410w panels on it, better than paying the big energy companies :)
I ended up with two 305 watt rigid solar panels for peanuts. Wanna know how? Call your local solar installation companies. They sometimes have scuffed panels, sometimes someone ordered the wrong type of panel, sometimes the company changed one lot of panels with a different configuration...on and on. These panels sit in their storage sheds waiting for placement. I got mine for a 100 dollars...Jus sayin...
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Mate, that is a great idea. I live on a boat part of the year. When the sun is up why mess with all the batteries and controllers. Just throw the panel out on the deck with the converter and charge whatever you need...powerbrics, phones, even a hot water tank if you got enough reserve in the bank. Loved it. Your idea of using different types of connectors was spot on. I will definetly be using your setup on the boat and Chevy flatbed camper. Mad Respects Sir
That's a useful set-up but I would suggest DC-DC step-down converter 24V to 13.8 V because you cant fully charge a 12V battery with a12V power supply.
A clever way to get into self sufficiently on a tight budget. Regards Stephen in Australia.
for my garden hose on-demand diaphragm water pump I run it directly (no converter /regulator or anything) off two used cheap 12v solar panels in parallel. Works well. I agree large used higher voltage house panels are a good deal if you can find them locally without shipping. Just an idea for certain applications.
A step-down converter, also known as a buck converter, is designed to reduce voltage while increasing current. When you connect your solar panels directly to a step-down converter to convert 36 volts to 12 volts, the converter will adjust the voltage and deliver the desired 12 volts to your load. However, the process of stepping down voltage involves converting some of the electrical energy into heat.
At last! Been looking for a workable solution for simply charging laptop, tablet and phone for my home in Thailand (no lack of Sun!). Been quoted ridiculous prices for setups bigger than I need. Thank you
An MPPT with a load port but without a battery is doing exactly the same but better, the battery is just a nice buffer. You can use no battery, a small battery or a big battery depending on how much solar and load changes during the day (and night when battery is big enough)
This is very much useful for applications where you need to run a 12V equipment during day-time only. Like for example fountains, aquarium aerators or pumps. Thanks for your idea!