It would be nice if they would switch to safer batteries like LiFePO4 for power banks. They rarely catch fire and you can put them out with a fire extinguisher.
this post was submitted on 04 Jul 2025
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Less energy density, though.
On the other hand, maybe a less-fire-risky battery would be grounds for increasing the current 100Wh maximum that the FAA places on laptop batteries.
I would much rather have a safer battery, even if it's a bit bigger and heavier.
Why would they? AFAIK it's less power density for safety gain - which is hard to market. The only way I see it happening is if we find a safer and denser storage medium or if laws force safer batteries.
They have less power density than other lithium-ion chemistries when both are new, but the dropoff over time is also less. That means that unless you replace your power banks fairly often, the LiFePO₄ version is likely to have higher density for much of its lifetime. They also tolerate at least double the number of charging cycles.
Not sure how to go about marketing that in our current disposable society, though.
Not sure how to go about marketing that in our current disposable society, though.
Ditto. The most likely solution would be EU regulations forcing longer battery life/better battery safety. Maybe the new law for replaceable batteries in smartphones could be enough, it includes a rating on charging cycles which could be the new "muh number is bigger!"