4 ms·

The normal price when buying locally or from china seems to be 200$/kwh.

• fragmede 2y ago
  But with a higher estimated lifespan, an estimated a cycle count 2-5x that of traditional li-ion batteries, in paet due to it not having moving parts, $200/KwH seems reasonable vs $100/KwH if it lasts more than 2x as long as a product of similar other specs. Yoshino has a large portable one on the market, 4000W, 2511Wh, though it's a bit pricey as it's new technology.
  • dns_snek 2y ago
    > $200/KwH seems reasonable vs $100/KwH if it lasts more than 2x as long as a product of similar other specs I think that's highly dependent on the expected life of those cells in absolute terms. If I'm buying a consumer product and a $100/kWh battery cell will last 10 years, but a $200/kWh battery cell will last 20 years, I'll go with the $100 one every time. Why? Because in 10 years, with inflation and advancements in battery technology, I'll probably be able to buy a replacement 10 year battery for $40 in today's money, for a total of $140 instead of $200. I'm also lowering my risk exposure in case something happens to the battery, it only needs to survive 10 years instead of 20. *Exact figures made-up on the spot.
    • fragmede 2y ago
      Using actual numbers, if your cellphone battery lasts 2 years of nominal use before noticable degrading, you're looking at 4-10 years, but also contributing less e-waste to the world.
      • throwaway81523 2y ago
        I doubt cell phone batteries are a significant part of the battery waste stream, compared to EV and utility scale batteries. If they only went back to phones with easily swappable batteries and used a commodity form factor, most users would probably prioritize energy density over cycle life.