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New nickel-iron battery charges in seconds, survives 12,000 cycles
(interestingengineering.com)
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this post was submitted on 13 Feb 2026
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Meanwhile my UPS taks 8 hours to charge and lasts 8 minutes.
UPS batteries are something i don't understand either. Why have they not changed with all the new tech we have now? Is it just still made of the best chemicals for their use and to then be recycled or something?
Many portable batteries (i.e. campsite batteries) have a UPS mode and can be used that way. Much more expensive though.