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    If ok to use MPPT solar controller as a DC to DC connect to Car alternator to charge LifePo4?

    Hi, think about this idea for a while. Use the Car alternator directly charge the LifePo4 is a NO GO, damage the battery and burn out the alternator. But how about put in MPPT controller on it? I have a spare MPPT controller, it has function limit charge current. If I set the charge current...
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    Please, need recommendation for Charge controller (12V LifePo4 Bank)

    This is my small project, got 8 pcs used CALB cell (100Ah, test them got 70-80Ah), make the 12V banks for 12V pump to fix underground water problem. So, the 12v bank has about 150Ah capacity, I can put on 100W x 3 panels in serials for it. However, seems like the controller will not pull out...
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    Please help me understand my 100W x 2 panels.

    Hello, everyone: I have 100W X2 Renogy panels(RNG-100D, used), I use them to charge my 12V LiFePo4 (100A) for Aux pump (12V). I use MakeSkyBlue MPPT V118 for test them. (Battery type, Li, charge Voltage 14.40) With single panel, shows Voltage 20.31, Watts 46.16, it is ok. (here in New York...
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    CT sensors extension cord, make with 20 years old AT keyboard extension cable. works.....

    SUN 2KW Grid Tie Inverter, 220V, need 2 CT sensors in series clamp to 2 phases 110V each. The breaker panel is down in Basement, need extension cable, happen to have 2 pcs AT keyboard extension cords. Anyone old enough recognize those plugs. Total length is over 30 feet. Seems works fine. When...
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    What is the best way to run wires? ECO-WORTHY 2KW Grid Tie Inverter with Limiter

    Got 6 Trina 340W Panels, think about put them together to 2000W Inverter (output 240V). here is Panel's spec: Imp 8.9A Vmp 38.2V Isc 9.5A Voc 46.2V the Inverter input is 45V - 90V. the Best I can do is 2s 3p, if 3s, will exceed the input Voltage. The Voc is 46.2V, so if 2 panels in series...
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