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RE: Question

in #solar8 years ago

Modified sine wave should be fine for this, but I'd ask DeWalt that question.
A battery bank between the solar panel and inverter would help the situation, when the inverter is needing more juice than the panel can deliver. Looking at all your info, brb

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right now I'm thinking it will work.
all I need to do is decide on which (flexible) solar panel.
it's too bad that marketing people are damn liars..

It will work with one panel and some batteries, your 400w inverter and the PPS... The batteries need to be able to deliver 12v+ at ~35 amps. That would be a serious Li-Ion bank (in $$$) and a serious bank in Lead Acid, weight wise.
5 panels COULD do the job, in direct sun. Actually your 400w inverter in the car/truck would be pretty good, as long as it was running. Yes, Marketing People are fast and loose with FACTS that regular folk can use! Meaning, LIARS lol

I'm not understanding this.
why do I need batteries to charge the batteries in the PPS?

SIMPLY to "buffer" the solar panel, cuz it is Too Small! Panel Output is only 100w... not 1000!

gotcha...
I wonder how small the battery can be?
it only needs 3amps.

3 amps at 120v to power the PPS, so it will need at least 30 amps BATTERY POWER at 12v then you have to figure in the "losses" :-(
That's why I said 35 amps (Battery Power), cuz the raw math said 33.3 amps
PANEL POWER can be a lot less, cuz it is just to top off the batts.

no...I don't thinkso.
I can fill a swimming pool (battery) l with an 36in irrigation pipe.
or a 1/4 inch plastic tube....
one is just quicker...than the other.
same amount of water.

Your Swimming Pool is constantly being drained by a 1" line, in this example ;)

But we have no idea if the PPS will just charge slower, or cut off.
I'm betting it will cut off. You can try tho...

Get the panel(s) but the math says you will need 4 or 5.
1 or 2 with batteries before the 400w inverter.

3 amps is what the PPS needs at 120v AC, that is 360 watts.
So you need at least a 400w inverter and 500w solar, by the book.
All these devices have cut offs for low voltage, that is how they are
made so you don't hurt anything...

I was saying 30+ amps of battery, the solar charge can be lots less, like I said before.
(Edited the above post for Clarity) ;)