diy solar

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  • Maximum charge current in parallel

    I have a decent size system. I have 6 x EG4 batteries and 21kw panels. I called SS and they said that even though the batteries are parallel they still suggest sending no more than 80amp into the batteries. Is that accurate? When I look at the batteries in BMS_Tool it shows that each are...
  • 160 amp wiring

    I have done some searches and found a LOT of information but I'm having trouble zeroing in on one definitive answer. Forgive me if this has been answered 1000 times. I have 6 x EG4 (48v 100AH) batteries connected to 4 x 5000es inverters. I am pushing 160 amps to the batteries when charging...
  • Solar charging

    I am very new to solar but have read volumes. I did search the forums for the answer but maybe I'm not using the right search terms. Here goes... I am soon to have my new system installed. Plan is 4x growatt 5k in parallel with 22kw panels and 6x eg4 batteries. Four inverters are overkill...
  • Spare Growatt as charger

    I have an extra Growatt 5000es. I have a large generator that is not connected since I converted to solar. I am trying to think of a good way to have the generator available as a last resort. My idea is to configure the spare inverter as 80a grid charging with zero solar charging. Not...
  • Charging clarification

    I plan to hook 4x Growatt 5000 in parallel. The question I can't seem to find an answer for is this. If the inverter has a MPPT charger that can charge at 100A and I am stacking them, am I stacking the charge ability as well or will one unit do all the charging? If one unit does the charging...
  • Battery drain with sun

    I have 3x ES5000 and 30k EG4 batteries. I have fine tuned everything to my liking over a year. The last thing that bugs me that I haven't found a solution for is battery drain with full sun. On a sunny day my batteries are full by 1-2pm. Lots of sun left. The moment they hit 100% it...
  • Series VS Parallel Power Difference

    I have 12x 445w panels. I have been running them in series/parallel (6x2) connected to grid tie inverter (Growatt 6kW Grid-Tie Inverter | MIN 6000TL-X). They are facing south at 28 degrees tilt which is the "ideal" fixed angle for my location. I have been unhappy with my production since I...
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