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Post by Bones on Dec 10, 2019 7:30:11 GMT
I want to put together a 900 watt system but i wanted to use 24v 300 watt panels and 12v battery bank of 1000 amhs.will a mppt charge controller charge my battery bank with 24v panels and batteries being 12v run in parallel.If so then what size charge controller would be needed for that job.
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Post by bupkis on Dec 10, 2019 12:34:22 GMT
yes, that is what a mppt controller is good for.
60A minimum. 60A controller generally rated for 800 watts (12v battery) but I would have no issue over powering to 900 watts.
IF the panels ever made more than 60 amps into the battery, the controller would clip any excess, doubtful that would ever happen!
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Post by tattoo on Dec 10, 2019 13:17:11 GMT
You will be just fine over powering your 60a CC..... I do it everyday.............
The CC will take in and put out what it needs.......
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Post by Admin on Dec 10, 2019 19:54:11 GMT
I want to put together a 900 watt system but i wanted to use 24v 300 watt panels and 12v battery bank of 1000 amhs.will a mppt charge controller charge my battery bank with 24v panels and batteries being 12v run in parallel.If so then what size charge controller would be needed for that job. 60A minimum MPPT is needed. However, if you're thinking about expansion and wanting to charge a 12V bank, we would recommend the 100A controller. -Renogy Team |
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Post by tattoo on Dec 10, 2019 21:18:48 GMT
60A minimum MPPT is needed. However, if you're thinking about expansion and wanting to charge a 12V bank, we would recommend the 100A controller. -Renogy Team Can I ask what would the advantages? The reason I ask I'm thinking of expanding........... |
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Post by Admin on Dec 11, 2019 22:48:32 GMT
60A minimum MPPT is needed. However, if you're thinking about expansion and wanting to charge a 12V bank, we would recommend the 100A controller. -Renogy Team Can I ask what would the advantages? The reason I ask I'm thinking of expanding........... This is for expanding solar into higher system wattage in 12V, The 60A Rover is rated (theoretically) for 800W, whereas the 100A Rover is rated for 1300W. So if trying to expand beyond 900W and not trying to change the 12V battery to 24V, then you would have to expand the controller to a bigger size. |
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