Need Help On System Setup

[parodoxx]

Hello everyone. I am new here and I had a couple of questions. I currently have three 12V 100W panels in parallel connected to a charge controller and to a battery. Much like the picture I attached, but only the left half. Now, I want to add some more to the system. I was thinking about getting four more of the same panels. I thought I would put the 4 new panels in parallel and getting a new charge controller for it and then adding another battery in the system. The batteries would be hooked up in parallel. The setup is in the attached picture. Sorry about the bad paint drawing.

My question is, would this be a good setup? I was thinking about doing this, or getting another charge controller that would be able to take in more current, much like this one http://www.amazon.com/MorningStar-Tr...pr_product_top, and substitute two charge controllers with the 60A controller in the link. The batteries would still be in parallel, because I really don't buy 2 more batteries for a 24V system.

Thanks.

[Mike90250]

Which answer do you want:
good job, have fun.
Stop, don't buy anything more, there are some design flaws here.

[parodoxx]

Well actually, I wanted some opinions on whether I should go with one MPPT charge controller or 2 PWM charge controllers.

[FloridaSun]

Well actually, I wanted some opinions on whether I should go with one MPPT charge controller or 2 PWM charge controllers.

That TS-60 you give a link to is a PWM controller. You should be looking at the TS-MPPT-60. Depending on the Ah rating of your proposed two batts you may do well enough with a TS-MPPT-45 tho and save buying a panel or two over using PWM.
What is the age and Ah rating of your present battery? Adding a new battery in parallel to a used one is more like adding another used battery, the old battery will drag the new down to it's level.

[russ]

The guys are trying to tell you that you have started badly and need to look at the project all over again.

No gold stars yet.

[parodoxx]

The current battery is about 6 months old and I was thinking about replacing it and getting 2 new batteries. The current one I have is rated at 105AH so two in parallel should be ok for the amount of panels I will be using. I did not notice that the one I linked was the PWM. Now that you mention it, the TS-MPPT-45 will be enough to handle the amount of current produced. Other than that is there anything else that should be considered?

[Naptown]

even with two of those batteries in series for 24V you will cook them at 37A charge current That is almost a c/3 charge rate. AGM batteries would work however
If you go the one charge controller route you can really only use about 6 panels in series (smallest wire size and lowest line loss.)
With 7 panels you are forced to use the midnight 200 controller or 2 charge controllers.