Genius US company makes iron battery that competes cost wise with lithium!

softdownsoftdown Solar Expert Posts: 1,928 ✭✭✭✭
Not the video I wanted but you get the idea. ESS makes iron/saltwater flow batteries that go into 40' shipping containers. Thus offering 50 kilowatts of energy. "Enough to supply a block for four hours." Plus the price competes with lithium!

Simply built, the parts are available at Home Depot. Did I mention that the price competes with lithium?

First Bank:16 180 watt Grape Solar with  FM80 controller and 3648 Inverter....Fullriver 8D AGM solar batteries. Second Bank/MacGyver Special: 10 165(?) watt BP Solar with Renogy MPPT 40A controller/ and Xantrex C-35 PWM controller/ and Morningstar PWM controller...Cotek 24V PSW inverter....forklift and diesel locomotive batteries


  • OldManOldMan Registered Users Posts: 51 ✭✭
    I won't live long enough to see this in RVs.
  • PorschephanaticPorschephanatic Registered Users Posts: 42 ✭✭
  • AmpsterAmpster Registered Users Posts: 59 ✭✭
    Is there a version that could fit on my wall in my garage?
  • Graham ParkinsonGraham Parkinson Registered Users Posts: 40 ✭✭
    At the moment, focused more on the industrial scale - A pity, as no reason it couldn't be on a residential scale:


    A 17,000 lb semi-trailer full of gear gets you a 40 kWw / 400 KWhr system ....
  • mcgivormcgivor Solar Expert Posts: 2,401 ✭✭✭✭✭
    edited November 24 #6
    Although not exactly the same electrolyte, the zinc bromine flow battery offering from Redflow is of residential scale.

    This article has some interesting information with regard to flow batteries not being practical in small scale residential applications.

    Random reading material should one be interested.
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery bank 
    900W  3 × 300W No name brand Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah FLA 24V nominal as a backup system. 
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergencies and welding.
  • jonrjonr Solar Expert Posts: 1,116 ✭✭✭✭
    Who needs a generator for off-grid low solar periods - just haul your battery trailer into town and have it recharged :-).
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