diy solar

diy solar

Recent content by Matt-M

  1. Matt-M

    120Ah LiFePO4 cells for sale

    PM replied.
  2. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    That's what I did. Several days ago.
  3. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    Thanks everyone! This item is sold.
  4. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    Medium Flat Rate - $15.50. Will PM you with email address for PayPal.
  5. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    I will see which size box it fits in.
  6. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    Yes on PayPal. Will ship from 03063. If shipping is not much, like within Northeast region, I will cover it.
  7. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    Sure, but that doesn’t drop the price all that much. Call it $225. That’s still about $100 off retail.
  8. Matt-M

    Victron SmartSolar MPPT 100/50 - Almost New

    I bought this for my RV install late last year. 100 volt, 50 amp. Connects to Victron phone/ipad app via Bluetooth. I have recently decided to add a few more solar panels, so I had to upgrade to a higher amperage charge controller. This unit was installed and run for a couple months. Will...
  9. Matt-M

    120Ah LiFePO4 cells for sale

    Only two left. So unless you get two from somewhere else, or are looking for a 6V system, sorry!
  10. Matt-M

    120Ah LiFePO4 cells for sale

    I still have two left. I don't need them. PM me with an address and I will figure out the shipping cost.
  11. Matt-M

    LiFePO4 heating pad for cold temperatures

    First heater installed,
  12. Matt-M

    LiFePO4 heating pad for cold temperatures

    Successful test last night. Wired the two pads in series and applied 24V from a bench supply. Current draw was 1A, as expected. Took over 10 minutes to notice any temp increase. After about 1 hour, top surface had reached 92°F. This was in open air - I don’t expect it to get that hot with...
  13. Matt-M

    LiFePO4 heating pad for cold temperatures

    Got my prototype heating pad built today. The footprint of my battery packs is about 13.5" x 8.5", so that's the size of the heating assembly. Used those same 12V 1A "hive heaters" from Amazon, two per assembly. They have a bump where the wires attach: Didn't want those bumps to get...
  14. Matt-M

    LiFePO4 heating pad for cold temperatures

    You've pretty much got it. I wanted to monitor each pack separately to narrow things down in case of a bad cell or something similar. The Simarine controller lets you monitor them separately and also sum them to a single value. So they show up as "Battery A", "B", and "C", and the summed...
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