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MASSIVE restock of EV Batteries at 5% coupon "POWERWALLS"
  1. 1

    San Francisco Bay Area

    Hi, I just joined the site and am new to battery power. I am retired and and electronic engineer by training. Eugene
  2. 1

    hellol! From Ireland

    A car (or truck) alternator could be a good way to get 12 (or 24V) from the water wheel Have you calculated how much power you will get from the wheel. If the wheel is 2m high and there is 10kg of water in each bucket, a rotation gets ~200 Joules. If a half rotation is 10 seconds, that is 20W. A...