Why and how to joyfully move our butts around town, without mucking the place up.

DIY battery packs for EV or energy storage

  • Lithium batteries
    • DIY battery packs for EV or energy storage: The development of the Lithium-Ion battery became a tipping point that has started to make electric vehicles practical. The technology is readily enough that people can build their own battery packs, or their own cars, or their own solar arrays.
      • Building DIY "Powerwall" using 18650 cells Tesla Motors makes it look easy, just throw a bunch of 18650 cells in a box and call it a battery pack. Some, therefore, decide to build their own at home. These videos demonstrate the ideas, but I would not follow all their recommendations. For example, a BMS is extremely important.