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The Sodium-Ion Battery Revolution Has Started (cleantechnica.com)
submitted 3 months ago by kalkulat@lemmy.world to c/technology@lemmy.world
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" CATL has thrown its hat into the ring with the Naxtra sodium-ion battery, with 175 Wh/kg and 10,000 lifetime cycles along with operation from -40°C to 70°C. CATL is planning a start-stop battery for trucks using the technology. It has the potential to replace lead-acid batteries. CATL has announced battery pricing at the cell level in volume at $19/kWh. "

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[-] AA5B@lemmy.world 1 points 3 months ago

I don’t see this as a valid comparison.

  • replacement phone batteries are really not that expensive. Don’t overthink it. Is it really a problem you might spend $50-$100 in three years to replace the battery?
  • car batteries are not just much more expensive but they’re also overkill. Charging to 80% is more than enough for almost everyone’s daily driving on most vehicles, so why charge more?
[-] spongebue@lemmy.world 1 points 3 months ago* (last edited 3 months ago)

Maybe user replaceable phone batteries are making a comeback, but with the way my phone is pretty much sealed up I wouldn't trust myself to not break it. I'd also be leery of a third-party replacement lithium battery of unknown quality (let's be honest, that's what you'll probably end up with) charging right next to my head while I sleep. Saying that as someone whose friend had a lithium battery fire with her laptop.

Point is, the argument of "why would you try to save your battery by not using it when it has the same net effect of less battery?" is pretty short-sighted.

[-] AA5B@lemmy.world 1 points 3 months ago* (last edited 3 months ago)

User replaceable batteries would be actual cheap, would be nice. But iPhone 15 pro battery replacement at Apple is $100, and I’d expect that to be one of the more expensive battery replacements. Many phones will be cheaper, third parties will be cheaper. While I’d rather do it myself, it’s really not that much for once every three years to keep it above 80% health, and 9% of phone replacement cost.

the argument of “why would you try to save your battery by not using it when it has the same net effect of less battery?” is pretty short-sighted.

The argument is

  • why try to save your phone battery when it’s critical to last the day and eventual replacement is cheap?
  • it’s much more important to save your car battery because you won’t miss reduced range on normal days, you want max range available for road trips, and replacing the battery is very expensive
this post was submitted on 23 Oct 2025
340 points (97.2% liked)

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