diy solar

diy solar

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  1. M

    Cell voltage diff. Is this normal ?

    Hi, Could you tell me if my cells voltage diff is normal ? It seems a bit high ... I've got a LifePo4 280A 12V cells. Thanks.
  2. M

    My solar panels are not fully charging, Low power on Epever Tracer4215BN 430 W solar / 280Ah LifePO4

    Hi everybody, I have two 215W solar panels in paralel (total of 430W). In France it is 1:45 pm, it's really sunny not cloudy and I can read on the MT50 that I only have 141,5W .... Also according to the main screen of the MT50, the battery is fully charged but I only have 13,8V and my BMS app...
  3. M

    How to modify my BMS settings to avoid power cut off ?

    Hi everyone, I have a 4S 280A evecells with a 120 A overkillsolar BMS. I am using 2 inverters : - an edecoa 1000W (2000Wc) dedicated to my fridge - a victron 400W (900Wc) that I use for charging computer, batteries and other equipments ... These past days I had a lot of power cut off while...
  4. M

    How to install a battery master in my RV ?

    Hi everybody, I'd like to install a battery master in my RV in order to charge my engine battery with secundary lifepo4 battery. In France, people usually use the CBE CSB2. When the leisure battery voltage is lower than 12.5V, the car battery recharging system is deactivated. However, I have...
  5. M

    Looking for a way to charge my vehicle battery

    Hi guys, On my self-converted RV (renault master 3), I have some issues with the engine battery. While I am parked, there is a too high consumption of the electronic equipments. Therefore, after few days opening the doors without driving, my engine battery is empty ... (I have already spend...
  6. M

    Need help understanding my solar set up !

    Hi guys, I designed my solar system with someone's help. All my equipment (Epever MPPT, Battery protect, inverter and charger) are connected together on busbars. I am not using the Epever load outputs. I installed a switch on my LifePO4 BMS and I noticed that while the BMS switch was off...
  7. M

    Settings for my custom LifePO4 (charger, battery protect and BMS)

    Hi all, I made my own LifePO4 battery from aliexpress raw cells. It is a 280ah. For it, I bought the overkillsolar BMS and the epever tracer4215BN for my 2 solar panels 215 W in parallel (total 430 W). I'd like to check with you what would be the good settings to begin with, as I have few...
  8. M

    Battery protect programm for my LifePo4

    Hi all, I bought a Victron's battery protect to go with my 12 V 0- 280 Ah LifePO4 but I have no idea which program I should use. Does anybody can help me with that ? Thanks :)
  9. M

    Longer cable for my epever mt50

    Hello everyone, I need a longer cable for the remote meter mt50 of my mppt epever. On the manual they say to get a CC-RS485-RS485-200U-MT. But I can't find any with this model number on internet, at least in Europe. Do you have any idea which cable could work for this use ? Thank you for your...
  10. M

    How to connect a switch on overkillsolar BMS

    Hello, I wanted to connect a switch on my overkill solar BMS but it seems that the connector is too big for the port. There is this small plastic thing that seem to block the entrance. Did I miss something ? Thanks for your help !
  11. M

    Installing solar energy on a RV

    Hello all ! I am currently thinking of my new solar system, but I have so many questions ... (and sorry If my english is not perfect :( I hope you would understand me right). I have decided to install in parallel 2 solar panels of 215W each (they have 72 cells). I calculate the Voc and Isc...
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