diy solar

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  • Post in thread: RV solar system, Fit for purpose ?

    Hi all, I am setting up a SUV based solar panel / LiFePO4 battery combo in order to have some power while camping in southern France. I hope you will correct / validate my setup. I intend to go camping off-grid for 3 to 5 day periods during summer months. Where I go the average monthly solar...
  • Post in thread: Daly BMS reduced to 12 W discharge, time to go Overkill ?

    So I have a Daly BMS (C 30A / D 60A / 12V) and a Ninthcit / Aliexpress LiFePO4 battery (4S / 176 Ah). I have been using this rig since 2021 without much fuss. Today I connected a 12 V / 220 V converter to power a 220 W bulb. It ran for 10 minutes and then the BMS turned off. I am surprised...
  • Post in thread: Yet another wiring diagram, does it make sense ? ... ?

    Thanks for your input. I am certainly a little overprotective here, or pessimistic about the real ouput of the PVs. I will go for a 30 A breaker instead to avoid any unintentional tripping. By the way the AC charger is a Victron Blue Smart IP67 12 V 17 A. I was also thinking about protecting...
  • Post in thread: Daly BMS reduced to 12 W discharge, time to go Overkill ?

    Thanks for your input. So I tested the cells, all of them are around 3.30 V. But the situation is evolving, now the BMS cannot even stand a 12 W load. As a last try, I connected a camping lantern that draws 0.5 A and the BMS is currently working, but for how long ? The BMS seems to be dying in...
  • Post in thread: RV solar system, Fit for purpose ?

    Thanks for your input. Actually I will put the PVs on the ground as I don't want to park the SUV under the sun.
  • Post in thread: RV solar system, Fit for purpose ?

    Good point (y)
  • Post in thread: Yet another wiring diagram, does it make sense ? ... ?

    Hi there, I'm putting in a basic solar setup to use outside my small RV. So this system will not be connected to the alternator nor the engine battery. The power sources will be 2 Victron Energy noncrystalline BlueSolar 115 W in series, and a AC charger. The appliances will be connected to...
  • Post in thread: Daly BMS reduced to 12 W discharge, time to go Overkill ?

    How can I tell if the mosfetts are still operational ?
  • Post in thread: RV solar system, Fit for purpose ?

    Thanks for your input I thought it might be overkill but the other options are : 1 Victron Energie monocristallin BlueSolar 175 W solar panel 1 Victron Energie monocristallin BlueSolar 115 W solar panel The 175 W is more taylored to my needs but it's too bulky : 1485 x 668 x 30 mm. I have a...
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