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  1. J

    Pet Peeve: It is a DE-9. A DB9 doesn't exist!

    I recently had to buy a new RS-232 to USB converter cable. All of the vendors and most of the whole world refer to the serial port connector as a "DB9." Am I the only one left that remembers DB-25 connectors as the standard for serial ports? Probably not, because the DB part stuck when the...
  2. J

    Huge Shout Out to Morningstar Corporation

    I would like to publicly thank Pete Thompson at Morningstar for resolving my issue in the absolute best way possible. TL,DR; Morningstar Technical Support has the ability to do what they need to do to solve your issues, including replacing your ancient hardware! Thank you, Pete! The...
  3. J

    Ugggh. Broke my JBD-AP20S003SV1.2 BMS.

    I am trying to finalize my battery installation with 16S2P 230Ah cells. I bought two 7-20S BMSs, but they both came with only 4 gauge wire on them. I decided to change the wires to 2/0 gauge to help keep heat down under heavy loads. I discovered that they use red loctite on the threads for...
  4. J

    EVE 230 Ah Cell Measurements

    I received my 36 EVE 320 Ah cells from China last Friday. As I unboxed them, I inspected them, weighed them (because @ghostwriter66 said she does), and measured the resting voltage on each cell. For some reason, I decided to also measure from the positive pole to the cell case (through the...
  5. J

    In-ground Cooling for LFP

    I live in Florida where the sun heats everything, including the air itself, a bit hotter than I would like for my batteries to stay. I currently have a utility trailer that has AGM batteries in it, but they are dying from the heat. The plan is to remove the trailer, dig a pit three to four...
  6. J

    Current Transformers - A Quick Look

    I thought you might like to see this. I was snooping around the internet last week and bumped into a box of these 15A current transformers for a little over a buck apiece on the closeout rack. I bought about 25 of them plus a few 20A and two 100A models. They have load resistors installed...
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