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7) What is the best fuse wire? I only use 1/8w resistor legs http://j35.us/ResistorLegs
8) Why not use Supercapacitors?
A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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18 thoughts on “Live q a 7/15/18 diy pcb based 18650 powerwall modules”
  1. Avataaar/Circle Created with python_avatars Tom Ferguson says:

    Have you mentioned that the POWERWALL DIY requires Unprotected 18650's?

  2. Avataaar/Circle Created with python_avatars Angel KM says:

    I just wanted to say thank you for the link so I was able to order the PCBoards myself I was very surprised from that time I ordered two delivery in Chicago took only six days I ordered 40 of them 20 I left exactly the way the file was written now the other 20 I modified the copper is twice as thick and I have found a way to modify those plastic 18650 holders to put out more amps, I will be ordering more with more changes such as a built in BMS and each individual cell fused with an SMD fuse holder (makes it much easier to change a blown fuse) if you don’t mind when I get those in and populated them I’d like to send you a few

  3. Avataaar/Circle Created with python_avatars Eat Fish says:

    I'd like to but I'm I am learning

  4. Avataaar/Circle Created with python_avatars John Frost says:

    I have a bunch of Sanyo batteries that run around 1500mah and a bunch of LG's that run around 2400 mah. Can these be mixed in a 5 wide 10 deep parallel pack? How close do they have to be to make a good pack?

  5. Avataaar/Circle Created with python_avatars flaco skinny says:

    👕

  6. Avataaar/Circle Created with python_avatars Alex Birds says:

    hey can you help me I'm trying to make a battery with 18650s for a electric scooter Project I've got I need it to be long lasting and up to 36 volts and I would like to charge the batteries while they're still in the scooter what charger system do I need and how do I put the batteries together can you help I'm new at this stuff

  7. Avataaar/Circle Created with python_avatars Nelson Pagan says:

    Let me reveal a secret. You are in the right path. But you are going to ruin your own invention. You are darn close to make your next invention.

  8. Avataaar/Circle Created with python_avatars Mushaz says:

    Hi Jehu. These PCB packs look great and love that you are standardizing 7S system. What if you designed a top PCB board that instead of batteries it has a BMS, Pos Neg terminals, charging and use Volt/Flow meter etc. That would be great to bring it all together and would work with any number of modules below it.

  9. Avataaar/Circle Created with python_avatars BoomBeachNoob says:

    Back again on YouTube live?

  10. Avataaar/Circle Created with python_avatars Anibal Morales says:

    I sent you my address (for the shirt) via email.

  11. Avataaar/Circle Created with python_avatars Nikola Nikolic says:

    Hi men do you howe a free old gel acymulator used for solar 12v 100a cen you send me free used please i need some batery 12v one two 10 how you cent send me for free used thenck you if you cen send me used top star or nort star or every mark 12v abayth 40 to 100a 12v

  12. Avataaar/Circle Created with python_avatars Jeancharles Rabaux says:

    D'où you speak freanch please

  13. Avataaar/Circle Created with python_avatars Jeancharles Rabaux says:

    Sorie no speak engleach

  14. Avataaar/Circle Created with python_avatars glenn goodale says:

    Great Job – huge respect 👍 I need a Powerwall

  15. Avataaar/Circle Created with python_avatars peterinbrat says:

    Love your channel!

    Could you PLEASE do a build for a solar ammo box power station using 18650 batteries? There are lots of builds on YouTube using SLA batteries, but I have yet to see anything with 18650s.

    I live in the Dominican Republic and we could really use "go boxes" when there are hurricanes. Our biggest concern is keeping our cell phones charged and our portable WiFi going on USB ports. I just built a very basic system using a $20 charge controller and an SLA, but I want to use 18650s in the future.

    Great channel and I love your work with Puerto Rico!

    Thanks!
    Peter B.

  16. Avataaar/Circle Created with python_avatars sai krishna says:

    Back on YouTube live ?

  17. Avataaar/Circle Created with python_avatars LeberAdanek says:

    Anyone know what his Twitch handle is? It's not in the description.

  18. Avataaar/Circle Created with python_avatars TecSanento says:

    To get the cell orientation right you can also add in description layer to your PCB, that way the plus and minus site is marked out on the PCB outside the holders

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