3 ms·

Why not stack or lift heavy lead-acid batteries? 2 for 1 deal on energy storage.

• 7952 8y ago
  Or make a fly wheel out of batteries and lift that
  • seanmcdirmid 8y ago
    Stacking flywheels reminds me of that NES robot attachment. https://en.m.wikipedia.org/wiki/R.O.B https://en.m.wikipedia.org/wiki/R.O.B.
  • dmurray 8y ago
    With a mirrored surface, so it could contribute to a concentrated solar farm.
  • adrianmonk 8y ago
    The flywheels would make it more stable as you lift it, too!