connecting cells together

[danerd]

hello fellas, i need your help again,is this the right way to connect cells together.

thanks for your help




your picture is to large you have to size them under 150k or they are subject to removal.i will let it stay this time but in the future resize to under 150k please.
Kurt

[s4w2099]

That looks like short circuit to me since you are going with the same wire through the positive and negative sides of each cell so your output will be 0V.

Try going from the positive side of one cell to the negative side of the other cell and soo on all in a string. This would be a way of connecting them. I dont know the output voltage of each cell or your target voltage but at least the way I am telling you will have the maximium possible voltage for all the cells. It better than 0v :-|

[danerd]

do you mean this way

[stephent]

Close--might want to keep from shorting the cells with the second way too.

Try...

don't hookup wire across the cell, only between cells. Plus to minus, plus to minus, but NOT across the cells--between cells only.

[danerd]

thanks a lot stephent.there are tyo wires per cells , schould i connect them respectivly to the others ?

sorry for my english.i hope you understand what i mean.

[sk windpirate]

What voltage do you want?

What voltage are your cells?

Do you want paralell or series?

[danerd]

i have now 72 cells. .58v  1.30A. i don´t know what voltage i can get.i would appreciate any kind of help.kann you explain the difference between series and paralell.

[jimjjnn]

Series increases  Volts, Current remains the same. Parallel increases Current and volts remains the same

[danerd]

what about this one.is is going to work.which one is better ?

[willib]

you are learning

that is a series-parallel connection..

four in series of three in parallel.

would be about four times the voltage of one cell

at three times the current of one cell

[danerd]

so the first is series, the second is series-parellel , how do the parallel looks like.which onnection would give the best output ?for a 12v system

[Volvo farmer]

Are these the Evergreen Surplus cells from Bryon (Cusdn)?

I made a bunch of 72 cell panels, I wired two strings of 36 and ran four wires out of the panel so I could connect them for 12 or 24V. I don't feel like photochopping something together at the moment but I ran 18 down then 18 back up so that the wires would exit the panel at the top and the interconnects would be short within the panel itself.

This picture is too big to post here but maybe it will appear as a link.

http://www.frontier.net/~bobwenn/projects/panel%20resz.jpg

[stephent]

Your last picture is only a parallel connection--it will give .58 volts or so--but a lot of amps for sure.

Make a panel (one) with 36 cells in series and bring out leads (start and finish + and -). (all series hookup)

Make another panel just like this one if it checks out good.

and then put both "plus" wires together and both negative wires together (one plus from each panel--one neg from each panel) this will make a parallel connection.

This panel will charge a 12 volt system at 2 times the rate of just one panel.

If wanting a 24 volt system just hook the 2 panels (completed as 12 volt each) in series (+ to neg) between the 2 panles and have one neg and one + coming out--series hookup making 24+++ volts for charging.

Making a panel in 12volt style can be useful for using in just about any end use voltage normally used...from 12 volts to 120 volts dc systems.

[willib]

oops please dissregard my previous post

stephant is correct

[pepa]

to give yourself a little insurance against cracked cells or a bad connection, use stephand's drawing and run another set of connections on the opposit side of each panel on tape provided. this will bypass most connection problems, this is a little extra work but will worth the effort. pepa

[tecker]

I'll bet you want more that either 6 or .5 volts