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Solar Panel & Windpower made easy
Solar DIY Wind Power – Green Power Easy Reviewed
Photovoltaic Solar Panels – homemade DIY energy
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SHTFPrepper 2015 says:
February 26, 2015 at 12:52 pm (UTC 0)
Thank you, very kind of you. I didn’t realized that kind of diff of the
charger controller until I watched this video.
Patsy McMichael says:
February 26, 2015 at 12:56 pm (UTC 0)
You have a great series here and I know I will use your info for my own
system. Thank you for all of your calculations and all of the thought and
time which went into these videos.
SpockMcoy Issmart says:
February 26, 2015 at 1:19 pm (UTC 0)
Thanks for the great vid with some eye opening information!
Tim Mega says:
February 26, 2015 at 1:54 pm (UTC 0)
Hi there
Do u know if the sunsaver has a common negative or common positive.
HylomantisLemur says:
February 26, 2015 at 2:09 pm (UTC 0)
Good video. I think for my set up I need to spend more on batteries and
less on panels as I’m using the power only occasionally.
robert dmeza says:
February 26, 2015 at 2:35 pm (UTC 0)
I purchased 4 230 watts panels, operating voltage is 29.8 volts to add to 3
200 watts panels operating voltage 18.4 volts because i could not find the
same wattage. Could i install them in the same string using a XW-MPPT60-150
solar charge controller?
urbex2007 says:
February 26, 2015 at 3:27 pm (UTC 0)
Thanks, great video, never knew what MPPT was before. Definitely know what
to buy now for our awful UK weather. I plan to charge batteries to run the
whole house as i have low energy devices and 10watt LED bulbs. I will
have a circuit to switch between mains and battery through inverter.
Bob Nagy says:
February 26, 2015 at 4:13 pm (UTC 0)
17 voltmeters! Holy Crap!
MARK 1 says:
February 26, 2015 at 4:38 pm (UTC 0)
Never fails. Another awesome video. I think I actually understand now how
to go off the grid thanks to your video(s). Thanks so much for uploading
all these videos, very much appreciated. (+1 : 1,612)
Ben Parmer says:
February 26, 2015 at 5:23 pm (UTC 0)
Excellent video.
Very informative. Thanks for taking the time to make it.
Grace Osi says:
February 26, 2015 at 6:21 pm (UTC 0)
thank u i need to buy solar panels i have a 3000 inverter and 3 12v sine 50
watts batteries.i need to power my house of 6 bedrooms kitchen living room
and fan in each room in africa
arrivabene90 says:
February 26, 2015 at 7:02 pm (UTC 0)
very good videos……tks
noble karen says:
February 26, 2015 at 7:59 pm (UTC 0)
Thanks for explanation .Got some info from ur vdo,,thanks you.
Budi 'van' priyatno says:
February 26, 2015 at 8:05 pm (UTC 0)
Very informative video..
I am a newbie. If i have 10x100wp solar panel and 6x100AH/12V SLA battery.
Which type of system can you suggest??12V, 24V or 48V system to reach
maximum efficiency??
Thanks for sharing,,
Petru Andronic says:
February 26, 2015 at 9:04 pm (UTC 0)
its very interesting
Elissa Brooker says:
February 26, 2015 at 10:03 pm (UTC 0)
You are awesome, a real talent in sharing your knowledge. thank you :)
Omnik Solar inverter says:
February 26, 2015 at 10:52 pm (UTC 0)
Omniksol-2k-TL series inverters use world class technologies, the maximum
convert efficiency could reach 97.5%, MPPT adaptation efficiency is high up
to 99.9%
gabriel mazo says:
February 26, 2015 at 11:32 pm (UTC 0)
what if connecting some load directly to the battery?
Geir Laastad says:
February 26, 2015 at 11:57 pm (UTC 0)
For a smaller solar system, couldn’t you just make a cheap but better PWM
system overall by putting a DC-DC Step Up+Down Boost Buck Voltage Converter
between the panel and the PWM charger? Such an up/down booster can convert
any voltage from 3.5 to 40 volts, to say 13.6 or whatever set point you
will use, and then take that output and feed it into the PWM controller. A
cheap 5 dollar converter as this exist on eBay (item: 201138075192). If you
don’t need PWM , you can just skip the PWM charger too and let the
converter charge the battery direct. If the converter’s set point is 13.6
volts, the battery can never be overcharged. It’s not MPPT but it will
probably harvest quite a bit more of the panel’s power, since it will even
convert (& charge) with low amps from as low as 3.5 volts from the panels
and with higher amps when the panel voltage is higher than the set point.
The mentioned up/down converter is good for 3 amps max but probably needs
some heatsink to cool it if the panel is bigger than 15 watts.
Question: We know what a MPPT charger does with the panel’s higher voltages
to squeeze more amps out, but what does it really do when the panel voltage
drops below the battery voltage? Does is up convert the voltage to press
som smaller amps out of it. -or does it just stop charging? I think a MPPT
controller does not up convert anything, so there is still much loss in all
the power which are available, but unused from 0 to 12 volts (dark cloudy
skies).
Thanks a lot for very good in-depth explanations in all your interesting
vidoes. I recently bought a Hantek DSO1200 oscilloscope because of you 🙂
Also, there are too many potential good videos on YouTube but with just
almost inaudible mumbling on them but your videos are always very clear and
easy to listen to :)
Mario Marun Krumm Guzman says:
February 27, 2015 at 12:08 am (UTC 0)
buenos dias recibe un saludo desde jalisco mexico me permito escribirte en
español ya que es mi idioma y aunque me esforzado en entender tu post ,me
permito sugerirte ya que veo un gran numero de testers o medidores que
seria mas grafico o practico que realizaras tu video en una forma mas
dinamica usando tus medidores la cual nos resultaria mas entenndible
muchas gracias
Andy N says:
February 27, 2015 at 12:58 am (UTC 0)
Wow! very informative video,about to prepare for an install on a 35ft
American RV,after watching your video I have realised I need to make a few
changes to the system I need to fit, Thanks for explaining the
difference between the MPPT and PWM controllers, and the power losses
expected, well done mate.
Wizard Mike says:
February 27, 2015 at 1:33 am (UTC 0)
PWM cost way less MPPT > $9$60 vs $100-$500
Also I heard some MPPT lie they are actually PWM.
But I would also agree MPPT is worth it if your using the solar everyday.
Taj Muhammad says:
February 27, 2015 at 2:29 am (UTC 0)
Thank you very much, good information.
Scott Castille says:
February 27, 2015 at 2:38 am (UTC 0)
Very good info, I have 5 sets of HF solar panels, and trying to figure out
how to set them up. I currently have only one set on my roof, they are 3
panels, and I charge Two batteries parallel. I use that currently for my
Ham radio and CB. I have the other sets for a more expanded setup, for
lights in my home, all DC, as well as my Ham and CB. I will have to invest
in a good controller eventually.,
Carlos Arruda says:
February 27, 2015 at 2:48 am (UTC 0)
I got myself a LCD 10/20A 12/24V MPPT from eBay but am not happy as it
turns out to be a fake item.
Great videos mate.