Scientists make lithium-replacement battery with 8,000 cycles
interestingengineering.com
Unlike other zinc-based batteries that discharge in just a few hours, the newly made battery can retain its charge for a week.
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The original was posted on /r/tech by /u/chrisdh79 on 2024-05-15 11:33:18+00:00.

Original Title: Power the poor: Sweden makes low-cost zinc battery with 8,000 charging cycles | The battery is made from abundantly available materials and retains 80 percent of its performance over the course of 8,000 cycles.