Programed Arduino nano - https://jag35.com/products/for-arduino-nano-v3-0-elegoo-nano-board
3.3V DC-DC - https://j35.us/3-3cDC-DC
5V DC-DC - https://j35.us/5vDC-DC
Okai Scooter Batteries - https://j35.us/ScooterPacks
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FAQ:
1) Where can learn more about batteries? http://j35.us/DIYlithiumBatteryBook
2) Where can I buy Lithium Batterieshttps://jag35.com/collections/lithium-batteries?
4) Where Can I buy Solar Panels? Flexible - http://j35.us/136wFlexSolarPanl
Glass - http://j35.us/100w-100-solar
5) Where can I buy a Battery Management System? https://kit.co/jehu/battery-management-system
6) What parts do you use on your Samba? https://kit.co/jehu/the-electric-samba-project-components
7) 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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12 thoughts on “Okai es200g battery arduino controller – diy powerwall building”
  1. Avataaar/Circle Created with python_avatars Youtubesque says:

    I have a arduino nano 16mhz (5v version) , can I use it with 3.3V DC-DC supply without mod ?

  2. Avataaar/Circle Created with python_avatars charlie likins says:

    Can I buy the unlock units you make? I am using salvaged lime/Uber batteries in sets of 9 for my hybrid drive on my Kenworth. I I can use one per 9 ease advise so I can order the correct amounts. Thanks, Charlie

  3. Avataaar/Circle Created with python_avatars Chingonazo1 says:

    I bought a scooter at an impound auction, but it is turned OFF. The battery seems to have enough charge. Does anyone know where I can get a schematic for the whole scooter?

  4. Avataaar/Circle Created with python_avatars Q W says:

    ๐Ÿ™ my light isnโ€™t coming on when I plug the dongle in. Do I need to give it some juice? I canโ€™t find that video where you plug a wire into the plug hole?

  5. Avataaar/Circle Created with python_avatars Lucas says:

    Can you charge the batteries with a 42v 2a XT90 with the dongle?

  6. Avataaar/Circle Created with python_avatars Antony Partalis says:

    Hi there! Make a video with Xiaomi m365 and 36v 7800 ah and pro 12800ah
    There is a loot of this batteries outside that can be used!!๐Ÿ˜œ
    Great video!๐Ÿ‡ฌ๐Ÿ‡ท

  7. Avataaar/Circle Created with python_avatars Justin Burnett says:

    Can someone please link what the custom connector is called or somewhere I can source some? Jehu is sold out of the connectors and dongles on his site.

  8. Avataaar/Circle Created with python_avatars Ronniekane2017 Kand says:

    Does with this work with an PCB-NEE1009-W-VO.3

  9. Avataaar/Circle Created with python_avatars The Soloist says:

    Maybe a dumb question…how do you charge these scooter batteries? Can you charge through the discharge cable or only through the smaller charge cable?

  10. Avataaar/Circle Created with python_avatars Marten Alvarado says:

    I got the preprogrammed arduino and i see a faint TX blink, but I'm unable to get anything more than 3.x volts out of the discharge port?

    The battery is charged at 41.8 volts, but im only getting 40.6 volts out of the P+ and the ground pad right above it (*not the P- or C-)

  11. Avataaar/Circle Created with python_avatars Matthew Dannevik says:

    if you have to ask yourself if youre in winter, youre not

  12. Avataaar/Circle Created with python_avatars Dimrain13 says:

    Ill be buying 40 of those packs for an off grid setup in the near future. Would be a nice reassurance to know how to set it up for multiple packs. Even if its just a signal booster on a bus.

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